The Noonday Demon and the Grace of Staying: The Desert Fathers on Acedia, the Felt Absence of God, and the Discipline of Persevering in Place
This research report examines the ancient monastic understanding of acedia, the spiritual condition the fourth-century desert fathers named the "noonday demon," as a resource for anyone who feels that God has grown distant, that devotion has gone dead, and that the only relief would be to flee whatever place, practice, or commitment they currently occupy. Rather than treating acedia as a mere historical curiosity or reducing it to the modern vice of laziness, this analysis follows the phenomenon through its primary sources: Evagrius Ponticus, who first mapped acedia within his scheme of the eight tempting thoughts and gave it its unforgettable name; John Cassian, who carried the desert's diagnosis to the Latin West and defined acedia as the weariness or distress of heart that ambushes the solitary at midday; and the anonymous, hard-won wisdom of the Sayings of the Desert Fathers, where Abba Antony and Abba Moses model the counterintuitive cure. The report gives careful attention to acedia's symptoms and to the specific lies it whispers, to the remedies the desert prescribed, chiefly stability, manual labor, talking back to the thoughts with Scripture, the gift of tears, perseverance, and hope, and to the later folding of acedia into the seven deadly sins as "sloth." It then addresses, gently and without any diagnostic or clinical intent, how acedia differs from what we now call depression, and why seeking the help of pastors, counselors, doctors, and trusted friends is itself a wise and faithful part of God's care. Throughout, and decisively at its close, the report holds one conviction before the struggling reader: the felt absence of God is a temptation the desert monks knew intimately and mapped with tenderness, and it is not the same thing as real abandonment. Christ is present in the dry noonday, and the way through is not to run but to stay.
The Desert as a School of the Heart: The Context of Fourth-Century Monasticism
To understand acedia, one must first understand the desert that produced its diagnosis, for the noonday demon was discovered by people who had deliberately placed themselves where they could not escape their own hearts. In the late third and fourth centuries, in the wake of the persecutions and then, more disorientingly, in the wake of the Constantinian peace that made Christianity respectable, thousands of men and women withdrew into the deserts of Egypt, Palestine, and Syria to seek God with an undivided attention that the settled world seemed to make impossible[7][18]. Athanasius of Alexandria immortalized the pioneer of this movement in his Life of Antony, a text that circulated across the Mediterranean and set the imaginative pattern for monastic withdrawal for centuries[7]. Antony the Great, a young Egyptian who heard the Gospel command to sell all and follow Christ as if it were addressed to him personally, went first to the edge of his village, then deeper into the tombs, and finally into the inner desert, where he wrestled with the full array of temptations that the solitude uncovered[7]. The desert, in this literature, is never merely geography. It is the arena, the place of combat, the wilderness where Israel was tested and where Christ himself was driven by the Spirit to be tempted, and the monk who entered it entered a school in which the curriculum was the naked truth about the human heart[17][18].
What the monks discovered there was that removing the external occasions of sin did not remove sin. A man could leave the city, the marketplace, and the family, and find that the passions followed him into the cell, no longer distracted by a thousand external stimuli and therefore more visible, more insistent, and in some ways more dangerous[13][18]. This is the crucial psychological insight underlying the whole desert tradition: solitude does not create the passions, it exposes them. The stripping away of noise and novelty revealed the interior movements of the soul with a clarity that ordinary life mercifully blurs. It was in this laboratory of stillness that the desert teachers developed their remarkably precise phenomenology of temptation, a way of watching the mind's motions, naming them, tracing their sequences, and learning how each one worked. Far from being naive or superstitious, this tradition produced what amounts to an early and sophisticated psychology of the interior life, one whose descriptions of restlessness, aversion, and the longing to be anywhere but here remain startlingly recognizable to modern readers[12][13].
The desert fathers did not pursue this self-knowledge for its own sake, nor out of any morbid fascination with their own darkness. They pursued it because they believed that the purified heart could see God, taking as their charter the beatitude that promises the pure in heart the vision of God, and because they understood that one cannot be healed of what one has not first honestly named[17]. Their aim was purity of heart, in Cassian's famous formulation, and beyond it the kingdom of God, and everything in the ascetic life served that single goal[4][15]. The catalog of temptations they compiled was therefore not a taxonomy of despair but a map for pilgrims, a set of warnings and encouragements handed down from those who had walked the road to those still walking it. When the desert named acedia, it was not to condemn the sufferer but to hand him a lamp, to say to him, in effect, what you are feeling has a name, it has been felt before, it follows a pattern, and there is a way through.
The Eight Thoughts: Evagrius and the Map of Temptation
The figure who gave the desert's accumulated wisdom its most enduring intellectual form was Evagrius Ponticus (c. 345 to 399), a brilliant and highly educated deacon who had been a rising star in the ecclesiastical world of Constantinople before a crisis of conscience drove him first to Jerusalem and then, decisively, into the Egyptian desert, where he settled among the monks of Nitria and then Kellia and placed himself under the guidance of experienced elders[1][19]. Evagrius brought to the desert a trained philosophical mind shaped by the Cappadocian fathers, and he applied that mind to the raw material of monastic experience, producing works of spiritual observation whose analytical rigor gave the desert's insights a structure that could be transmitted, taught, and refined[13][19]. His most influential contribution was the systematic account of the eight logismoi, the eight tempting thoughts or evil thoughts that assail the soul, which he laid out in his handbook for monks, the Praktikos[1].
The eight thoughts, in Evagrius's ordering, are gluttony, fornication, avarice or love of money, sadness, anger, acedia, vainglory, and pride[1][19]. These are not simply eight sins in a list. Evagrius understood them as a dynamic and interconnected sequence, a kind of anatomy of temptation in which the more bodily and elementary passions, such as gluttony and lust, tend to give way, as the monk advances, to subtler and more spiritual assaults, culminating in the most spiritual and most deadly of all, pride, the sin that felled the angels[1][13]. A logismos, for Evagrius, is a thought that presents itself to the mind carrying an emotional charge and an implicit suggestion, an invitation to consent, to dwell, to feed the passion until thought becomes desire and desire becomes deed. The spiritual combat he describes is not primarily about resisting external acts but about the earlier and more decisive battle over which thoughts one entertains, which one refuses, and how one learns to recognize the demon's signature in the very texture of a suggestion[3][19]. This is why Evagrius could speak of the passions as the material the demons work with, and of the ascetic life as, in large part, a training of attention.
Within this scheme, Evagrius located acedia in the sixth position, after sadness and anger and before the two forms of self-exaltation. Its placement is significant, for acedia stands at a hinge in the sequence, at the threshold between the passions that afflict the beginner and the more rarefied temptations of the proficient, and Evagrius regarded it as in a certain sense the gravest and most burdensome of all the eight, the one that leaves the soul most drained and most tempted to abandon the whole enterprise[1][13]. It is worth stating plainly that later Christian tradition, in the West especially, would rework this eightfold scheme and blur acedia's distinct outlines, so that its original precision was partly lost, a development we will trace below[9][11]. But in Evagrius the thought retains its full and terrible specificity. He watched it, he suffered it, and he named it with a phrase drawn from the Psalter that has echoed through the spiritual tradition ever since.
The Noonday Demon: Evagrius Names the Sixth Thought
Evagrius took the name for acedia from the Greek Old Testament, the Septuagint, and specifically from a verse in the psalm that Western Bibles number as Psalm 91 and the Septuagint numbers as Psalm 90[1][8]. The psalm is one of the great songs of divine protection, the one that promises that those who dwell in the shelter of the Most High will not fear the terror of the night nor the arrow that flies by day. In the Hebrew, verse six speaks of the pestilence that stalks in darkness and the destruction that wastes at noonday. The Greek translators, however, rendered the "destruction that wastes at noonday" with a striking phrase, "the mishap and the noonday demon," daimoniou mesembrinou, personifying the midday scourge as a demonic power[8]. Evagrius seized on this phrase and applied it to the thought he had been observing, the spiritual affliction that, as he noted with an almost clinical precision, strikes hardest not in the dramatic darkness of night but in the flat, bright, ordinary middle of the day[1]. The choice of image is itself a piece of spiritual insight, for acedia is not a nocturnal terror or a violent assault. It is a midday listlessness, a weariness that comes when the novelty of the morning has worn off and the evening is still impossibly far away, when the light is harsh and the hours seem to have stopped moving.
Praktikos 12: The Siege of the Sixth to the Eighth Hour
The classic description of acedia occurs in the twelfth chapter of Evagrius's Praktikos, a passage so vivid and so precise that it has never been surpassed as a portrait of the condition[1]. Evagrius writes that the demon of acedia, which is also called the noonday demon, is the most oppressive of all the demons, and he describes its assault with the attention of a man reporting his own experience. The demon, he says, attacks the monk around the fourth hour of the day, roughly ten in the morning, and lays siege to his soul until about the eighth hour, the early afternoon, through the long, hot, empty stretch of midday[1]. During this siege the demon works a strange distortion of time itself, making it seem to the monk that the sun barely moves or has even stopped, so that the day feels fifty hours long. It fills him with a restless dissatisfaction and a creeping horror of his situation.
Evagrius then catalogs the demon's tactics with unforgettable concreteness. It makes the monk keep looking at the windows and driving him to leap out of his cell, to watch the sun to gauge how far it still is from the ninth hour, when he may finally eat, and to peer this way and that in case one of the brothers might be coming to visit and break the monotony[1]. It stirs up in him a hatred for the place where he lives, for his chosen way of life, and for the manual work in front of him. It whispers that charity has died out among the brethren, that no one cares for him, that there is no one to console him. If anyone has recently offended or slighted the monk, the demon uses the memory to feed his grievance and deepen his resentment. It sets before him the image of other places where life would be easier, where he could support himself with less toil and find more congenial company, and it reassures him, with a theology that is technically true but deployed to destroy him, that pleasing God is not a matter of any particular place, so that he might as well leave[1]. It summons up the memory of his family and his former life, depicts the whole long span of his remaining years stretching ahead, and piles up before his eyes the sheer weight of the ascetic labors still to come, until the monk is convinced that the only sane thing to do is to give up and flee[1].
What is remarkable in this description is not any one symptom but the whole texture of the state, which is a kind of comprehensive disgust with the present and a comprehensive fantasy about the elsewhere. Acedia is not laziness in the crude sense, for the monk under its assault is often frantically busy in his imagination, restlessly casting about, generating schemes and grievances and longings. It is rather a collapse of the will's investment in the good it has chosen, a draining away of the meaning from the present moment, so that the cell that was to be the place of encounter with God becomes a prison, and the vocation that was embraced as freedom becomes an unbearable burden. Evagrius understood this with rare clarity, and he understood too that its most dangerous feature was the specific action it urged, namely flight, the abandonment of the cell, which would feel like relief and would in fact be defeat.
The Anatomy of Acedia: Its Symptoms and Its Lies
If we gather Evagrius's observations, together with those of Cassian and the Sayings, into a coherent portrait, the anatomy of acedia becomes clear, and its enduring relevance becomes undeniable, for the modern reader who has never seen a desert or entered a monastic cell will nonetheless recognize the syndrome with a start[11][12][13]. Acedia presents, first, as a pervasive listlessness and heaviness, a loss of the savor of things, in which prayer feels mechanical and empty, Scripture goes flat on the page, and the disciplines that once fed the soul now taste like ashes. There is a sense that God has withdrawn, that the warmth and reality of his presence have somehow leaked out of the world, leaving only routine and dryness. This felt absence of God is central to the experience, and it is precisely here that acedia intersects most painfully with the ordinary believer's fear that they have been abandoned or that their faith has died.
Second, acedia presents as restlessness, an inability to settle, a low-grade agitation that drives the sufferer to seek distraction, novelty, movement, anything to escape the intolerable flatness of the present. This is the aspect that the window-gazing of the desert monk illustrates so well, the compulsive looking outward, the longing for interruption, the checking and rechecking to see whether the hour has passed or whether someone might come. In a monk this took the form of pacing, of leaving the cell on flimsy pretexts, of a sudden urgent interest in visiting other brothers under the guise of charity. The modern equivalents are not hard to find in the endless scrolling, the compulsive busyness, the manufactured urgencies with which people flee the discomfort of stillness. Cassian observed shrewdly that acedia often masquerades as diligence, producing a restless energy for anything except the one thing the soul is actually called to do[4].
Third, and most insidiously, acedia presents as a set of lies, a persuasive interior discourse that dresses itself in the language of reason and even of virtue. This is the dimension the desert teachers analyzed most acutely, and it is worth dwelling on, because acedia rarely announces itself honestly as a temptation to give up. Instead it argues. It says that the present place, work, marriage, community, or calling is the problem, and that somewhere else lies the true field of one's flourishing. It says that the people around one have failed in love, that one is uniquely uncared for, uniquely misunderstood, and therefore justified in withdrawing[1]. It says that the spiritual life one has undertaken is beyond one's strength, that the road ahead is impossibly long, and that it would be more honest to admit defeat now than to keep up a hollow pretense. It even deploys genuine theological truths in the service of surrender, reminding the monk, accurately enough, that God is not confined to one location, in order to draw the false conclusion that he might as well leave the location God has actually given him[1]. The cunning of acedia is that each of its suggestions contains a grain of truth, which is why it cannot simply be dismissed but must be answered, argued with, and refuted point by point, a strategy the desert developed into a discipline we will examine below.
The desert teachers were careful to distinguish acedia from the related thought that Evagrius called lypē, sadness or grief, which precedes it in the list of eight[1][13]. Sadness in Evagrius is bound up with disappointed desire, the sorrow of not getting what one wanted or of losing what one had. Acedia is subtler and more totalizing, a weariness that has spread beyond any particular loss to encompass the whole of one's life and to poison the very sources of meaning. The two are related and often overlap, but acedia is distinctively an affliction of the spiritual life at midday, a temptation that comes not to the beginner in the first flush of fervor but to the one who has been at it long enough for the initial consolations to fade and the sheer duration of fidelity to become the trial. This is why acedia is so often the temptation of the committed, the ordained, the long-married, the veteran of the spiritual life, and why it wears the particular face of a question, is this all there is, and a fantasy, surely there is something more somewhere else. Naming this pattern is already half its cure, for the sufferer who can say, this is acedia, this is the noonday demon, and it has come to make me flee, has already begun to break its spell.
Cassian and the Transmission of the Desert's Wisdom to the West
The desert's diagnosis of acedia might have remained locked in the Greek and Coptic world of Egyptian monasticism had it not found a translator of genius in John Cassian (c. 360 to 435), a monk who spent years among the Egyptian fathers, absorbed their teaching directly, and then, settling at Marseilles in southern Gaul, wrote it up in Latin for the monks of the West[4][15]. Cassian's two great works, the Institutes, which treats the outer life of the monastery and the eight principal vices, and the Conferences, which records the deeper teaching of the Egyptian elders on the interior life, became foundational texts of Western monasticism, read and prescribed by Benedict himself and transmitted through the whole medieval tradition[4][5][15]. Through Cassian, Evagrius's eightfold scheme, and his searching analysis of acedia, entered the bloodstream of Latin Christianity, though not without significant modification.
The tenth book of the Institutes is devoted entirely to the spirit of acedia, de spiritu acediae, and it is the single most important Western text on the subject[4]. Cassian offers a definition that has become classic. Acedia, he writes, is a weariness or distress of heart, a taedium sive anxietas cordis, and he explicitly connects it to the noonday demon of the psalm, following Evagrius in observing that it especially afflicts solitaries and is a persistent and dangerous enemy of those who dwell in the desert[4]. He describes its onset with the same clinical attentiveness as Evagrius, noting how it produces in the monk a horror of the place, a disdain for the cell, and a contempt for the brothers who live with him or nearby, whom it makes him regard as careless and unspiritual[4]. It renders him lazy and sluggish about any work within the walls of his dwelling and will not let him stay still in the cell or give himself to reading. It makes him complain that he is making no progress where he is, that he is spiritually barren, that his gifts are wasted in this place, and it fills him with longing for other monasteries and other locations where, he imagines, he could more easily make spiritual progress and more easily secure the necessities of life[4]. Cassian notes the physical symptoms too, the bodily heaviness, the yawning, the sudden hunger as if from a long journey or hard labor, the sense that only food or the company of another could possibly relieve the oppression[4].
Cassian's most memorable observation concerns the way acedia drives the monk out of his cell and into a false busyness. Once it has expelled him, he writes, the monk wanders about, visiting under religious pretexts, offering help he was not asked to give, always finding reasons why he must be somewhere other than where God has placed him. Cassian saw with penetrating honesty that this wandering is not a cure for acedia but its consummation, that the monk who flees his cell in search of relief carries the sickness with him and merely spreads it, and that the very restlessness that presents itself as pastoral zeal or reasonable self-care is in fact the disease running its course[4]. He therefore insisted, against every instinct of the afflicted soul, that the remedy lies precisely in not fleeing, in staying put, and in working with one's hands.
Manual Labor and the Story of Abba Paul's Baskets
For Cassian, the sovereign external remedy for acedia is manual labor, and he grounds this counsel both in the example of the Egyptian monks and in the explicit teaching of the Apostle Paul[4]. He cites at length the passage from the second letter to the Thessalonians in which Paul reminds the community that he and his companions did not eat anyone's bread without paying, but worked night and day so as not to be a burden, and in which he lays down the stern principle that if anyone is not willing to work, neither should he eat, and warns against those who are not busy but busybodies[4]. Cassian reads these apostolic words as aimed directly at the spirit of acedia, for the idleness Paul condemns is not merely economic but spiritual, the restless unoccupied state in which the noonday demon does its work. The Egyptian fathers, Cassian reports, held it as a settled conviction that a monk who works is attacked by but a single demon, while a monk who is idle is torn to pieces by countless spirits, and they therefore filled their days with steady, humble labor, weaving ropes and baskets from palm leaves, precisely so that the hands might be occupied and the mind kept from the wandering that acedia exploits[4].
The most striking illustration Cassian offers is the story of Abba Paul, an elder who lived deep in the desert of Egypt, far from any market, in a place where the fruit of his labor could never be sold or used[4]. Paul grew enough food in his garden and gathered enough dates to meet his simple needs, so he had no economic reason to work at all. Yet he labored every day throughout the year, gathering palm fronds and weaving them, filling his cave with the accumulated work of the whole year, and then, when the cave was full, he would burn the entire year's production and begin again[4]. Cassian relates this not as an eccentricity but as a profound piece of spiritual wisdom, for Paul understood that the point of the work was never the product. The work was medicine. It kept his hands busy, his body engaged, and his mind anchored, and it demonstrated with almost startling clarity that a monk cannot endure in his cell, or reach the heights of contemplation, without the humble discipline of labor to hold him steady against the noonday assault[4]. The baskets did not matter. The staying mattered, and the working was how one stayed.
Cassian's treatment thus adds to Evagrius a concrete, embodied dimension. Where Evagrius emphasized the interior combat with the thought, Cassian emphasized the ordered rhythm of bodily life, the discipline of work, the refusal to be idle, as the practical scaffolding within which the soul could resist. This complementarity, the inner watchfulness of Evagrius and the outer stability and labor of Cassian, together constitute the desert's full prescription, and it is a prescription whose wisdom the modern sufferer can readily translate. When meaning drains away and the impulse to flee grows strong, the counsel of the desert is not to wait for the feeling to return before acting, but to act, to keep the humble rhythms, to do the next small ordered thing with one's hands and body, trusting that fidelity in the small is the road back and that the feeling, if it returns, will follow the faithfulness rather than precede it.
The Remedies of the Desert
The desert did not merely diagnose acedia; it developed a whole therapy for it, an integrated set of practices and dispositions handed down from the elders and refined over generations of struggle. These remedies form a coherent whole, and they repay careful attention, for they are neither harsh nor mechanical but wise, humane, and shot through with hope. Taken together they amount to a single counsel with several faces: do not run, stay in the place God has given you, occupy body and mind with ordered work and prayer, answer the lies with the truth of Scripture, let the heart soften into tears, endure, and hope. Each of these deserves examination.
Stability: Sit in Your Cell, and Your Cell Will Teach You Everything
The first and most fundamental remedy is stability, the refusal to flee, the resolute staying in place that directly contradicts everything acedia urges. The classic expression of this counsel is a saying attributed to Abba Moses in the alphabetical collection of the Sayings of the Desert Fathers, a saying so compact and so profound that it has become the emblem of the whole tradition. A brother came to Abba Moses seeking a word, and the old man said to him, "Go, sit in your cell, and your cell will teach you everything"[6]. The saying is deceptively simple. It does not promise that staying will be pleasant, nor that the cell will quickly become a place of consolation. It promises only that the cell, faithfully inhabited, is itself the teacher, that the very act of remaining, of not escaping into distraction or geography, is what opens the soul to the lessons it most needs to learn[6][17]. The cell teaches because it strips away every evasion and leaves the monk alone with himself and with God, and it is precisely this exposure, so intolerable to acedia, that becomes the ground of transformation.
The theological logic of stability is important. Acedia is fundamentally a temptation to believe that the good one seeks lies elsewhere, in another place, another calling, another set of circumstances, and that the present is an obstacle to be escaped rather than the very place of encounter[1][4]. Against this lie, the counsel of stability affirms that God is to be found not in the imagined elsewhere but in the actual here, that the present moment and the present place, however dry and unpromising, are where grace is offered. To stay is to make an act of faith that God has not abandoned the situation acedia has declared godforsaken. This is why the desert regarded flight as so dangerous, not because movement is always wrong, but because the specific movement acedia demands is a flight from the very place where God is waiting to do his work. The Benedictine tradition would later enshrine this insight in its vow of stability, the commitment to remain in one community for life, precisely because the fathers understood that the deepest spiritual growth requires the discipline of not fleeing when things grow difficult[4][15].
For the ordinary believer, the wisdom of stability translates into a counsel of profound practical value. When the sense of God's absence grows heavy and the urge to abandon a marriage, a vocation, a church, a discipline, or a place becomes strong, the desert's word is caution, for that very urgency may be the noonday demon at work, and the elsewhere it promises may be a mirage. This is not to say that no situation should ever be left, or that every difficulty is acedia, for the desert also knew genuine discernment and did not counsel a rigid immobility. It is to say that decisions made under the pressure of acedia, in the grip of its restlessness and its persuasive despair, are untrustworthy, and that the wiser course is almost always to stay, to wait, to let the noonday pass, and to make no major change while under the demon's siege. The cell, faithfully kept, will teach what the fleeing soul can never learn.
Antony's Angel: The Rhythm of Work and Prayer
If Abba Moses gives us the principle of staying, the very first saying of Abba Antony in the alphabetical collection gives us its practical shape, and it does so through one of the most beautiful vignettes in all the desert literature[6]. The saying reports that when the holy Antony was living in the desert, he was once beset by acedia and assaulted by a great darkness of thoughts, so that he cried out to God, "Lord, I want to be saved, but these thoughts will not leave me alone. What shall I do in my affliction? How can I be saved?" Shortly afterward, getting up to go outside, Antony saw someone like himself sitting and working, then rising from the work to pray, then sitting down again to plait a rope, then getting up once more to pray. It was an angel of the Lord, sent to teach and reassure him, and Antony heard the angel say, "Do this, and you will be saved." At these words Antony was filled with joy and courage, and he did as the angel showed him, and he was saved[6].
The saying is a small masterpiece of pastoral theology. Antony's cry is the cry of everyone gripped by acedia, the honest confession that the mind will not be still, that the darkness will not lift by will alone, and the anguished question of how salvation is possible in such a state. The answer God gives is not a mystical technique or a sudden deliverance but a rhythm, the simple alternation of work and prayer, hands busy and heart lifted, occupation and adoration woven together through the hours of the day[6]. This is the desert's cure in miniature: not the abolition of acedia by a stroke, but the steady, humble, embodied rhythm that holds the soul steady while the noonday passes. The angel does not tell Antony to feel differently, or to summon up devotion, or to escape his situation. He tells him to work and to pray, in alternation, and to keep doing so, and he promises that this ordinary faithfulness is itself the way of salvation. Joy and courage return to Antony not before he obeys but through his obedience, which is the deep pattern of the whole desert therapy: act in fidelity, and the heart will follow.
This is a word of enormous comfort for anyone who feels that their inability to summon warm feelings toward God disqualifies them, or that prayer offered without emotion is worthless. The desert insists otherwise. What is asked is not feeling but fidelity, not consolation but the humble continuation of the appointed rhythm. To rise and pray, and then to return to one's work, and then to rise and pray again, through a dry and darkened day, is not a failure of the spiritual life but its very substance, and it is precisely what the angel commended. The person who keeps this rhythm through the noonday, even barren of all felt devotion, is doing exactly what Antony did, and stands under the same promise.
Antirrhesis: Talking Back to the Thoughts with Scripture
Because acedia works chiefly through its lies, through the persuasive interior discourse that argues for surrender, the desert developed a specific discipline for answering it, a practice Evagrius called antirrhesis, which means talking back or contradiction[3]. The model for this practice is Christ himself in the wilderness, who answered each of the devil's three temptations not with argument of his own devising but with a word of Scripture, "It is written," meeting each seductive suggestion with a truth from the Word of God[3][17]. Evagrius took this Gospel pattern and built from it an entire method, compiling a work called the Antirrhetikos, or Talking Back, in which he assembled, for each of the eight thoughts, a battery of Scripture verses to be hurled against the specific suggestion the demon makes[3]. For acedia, he gathered the texts that answer its particular lies, so that when the thought whispered that the place was hopeless, or that the brethren did not care, or that the road was too long, the monk would have ready a word of God with which to contradict it directly and immediately.
The theological insight behind antirrhesis is that a tempting thought is not best fought by wrestling with it on its own terms, which only deepens the entanglement, but by answering it with a word from outside oneself, a word of authority and truth that cuts through the demon's argument[3][19]. The practice presumes an intimate knowledge of Scripture, the fruit of the constant meditation on the sacred text that filled the monk's day, so that the right word would be ready at the moment of need, as a soldier's weapon is ready to hand[17]. It is not a magic formula but a genuine act of faith, a deliberate turning of the mind away from the demon's discourse and toward the truth God has spoken, and it works by displacing the lie with the truth rather than by mere suppression. When acedia says, you are alone and uncared for, the monk answers with the promise that God will never leave nor forsake his own. When it says, this place is barren and God is absent, he answers with the psalm that declares there is nowhere one can flee from God's presence, that even in the depths God is there. When it says, the road is too long and you cannot endure, he answers with the assurance that those who wait on the Lord shall renew their strength.
This practice remains one of the most immediately usable of the desert's remedies. The felt absence of God and the persuasive despair of acedia are not defeated by trying to argue oneself out of them from one's own resources, which the darkened mind is ill-equipped to do, but by speaking to oneself, aloud if necessary, the words God has already spoken, holding up the promises of Scripture against the accusations of the noonday demon. To take a single verse, to memorize it, to return to it deliberately when the thought presses hardest, and to answer the lie with the truth, is to practice antirrhesis exactly as the desert taught it, and it is a discipline that steadily trains the soul to recognize the demon's voice and to refuse it. The point is not that the feeling of absence vanishes at once, but that the sufferer learns not to believe the feeling's false conclusions, anchoring the mind instead in what is objectively true regardless of what is subjectively felt.
Tears and Compunction: The Softening of the Heart
Alongside the disciplines of staying, working, and talking back, the desert prized a gift that may seem surprising in a therapy for listlessness, the gift of tears. Evagrius and the whole tradition set great store by penthos, compunction or holy mourning, the tender godly sorrow that softens the hardened heart and opens it again to grace[2][6][13]. In his Chapters on Prayer Evagrius counseled the monk to pray first of all for the gift of tears, so that through the softening of compunction the native hardness of the soul might be broken up, and he saw weeping not as a sign of despair but as a sign of the heart's thawing, the return of feeling and tenderness to a soul that acedia had numbed and dried[2]. This is a crucial and easily misunderstood point. The tears the desert sought were not the bitter tears of self-pity or hopeless grief, which acedia itself can produce and which only deepen the darkness, but the sweet and healing tears of compunction, the tears that come when the heart is moved by the love and mercy of God, when the hardness cracks and the soul weeps for its sins and for the sheer goodness of the Lord.
The connection to acedia is profound. Acedia is in part a hardening, a drying up, a loss of the heart's capacity to be moved, and its characteristic barrenness is the very inability to feel anything toward God[13]. The gift of tears is the antidote to this hardness, the sign and the means of the heart's re-softening, and so the desert taught the monk to seek it and to receive it gratefully when it came. There is a paradox here that the tradition understood well: the way out of the numbness of acedia sometimes runs through sorrow, through the honest grief that acknowledges the soul's true condition before God and weeps over it, for this grief, unlike the flat despair of acedia, is turned toward God and is therefore already the beginning of return[2][13]. To be able to weep before God, in penitence and in longing, is to be alive again, to have broken through the deadness, and the desert regarded such tears as a grace to be prayed for rather than a weakness to be ashamed of.
For the modern reader this dimension of the desert's wisdom offers a permission that many need to hear. Tears are not a failure of faith. To weep before God, to bring one's numbness and dryness and grief to him honestly and to let the heart break open in his presence, is a deeply Christian act, modeled by the psalmists, by Jeremiah, and supremely by Christ, who wept at the tomb of Lazarus and over Jerusalem, and who in Gethsemane prayed with loud cries and tears[16][17]. The soul locked in the flat aridity of acedia may find that the first movement of grace is not a return of joy but a return of tears, the melting of the frozen ground, and this too is God at work, and it is to be welcomed.
Perseverance and Hope: Enduring the Noonday
The final and in some ways the most important remedy is perseverance, the plain, unglamorous endurance that simply holds on through the assault until it passes, sustained by hope. Evagrius counsels the monk explicitly not to leave the cell in the time of temptation, however reasonable the excuses the mind manufactures, but to remain seated within, to exercise patience and endurance, and to welcome all attackers steadfastly, especially the demon of acedia, precisely because it is the most oppressive of all and therefore leaves the soul, once it is resisted, proven and strengthened to the highest degree[1]. He observed that the one who flees such struggles, rather than facing them, only trains his mind to be cowardly, unskilled, and given to evasion, whereas the one who endures grows strong[1]. And Evagrius held out a remarkable promise as the reward of endurance: no other demon, he says, follows immediately upon the demon of acedia, but after the struggle a state of deep peace and inexpressible joy arises in the soul[1]. The noonday, in other words, does pass, and what follows the endured siege is not more affliction but a peace all the deeper for having been won.
This promise is the heart of the desert's hope, and it rests on a conviction that acedia is a temptation with a shape and a limit, a siege with a beginning and an end, and not a permanent condition or a final verdict on the soul[1][13]. The noonday demon attacks from the fourth hour to the eighth, and then it lifts. The day that seemed fifty hours long does in fact end. The counsel of perseverance is therefore not a grim stoicism but an act of hope, a refusal to make permanent decisions on the basis of a temporary darkness, a trust that the God who permits the trial also sets its bounds and will bring the soul through it into peace. Hope, elpis, is thus woven through the whole desert therapy, for every one of the remedies, staying, working, praying, talking back, weeping, enduring, is finally an expression of the conviction that the darkness is not the last word, that God has not withdrawn, and that fidelity through the noonday will be met, in God's time, with the return of joy.
The desert fathers knew that this hope must often be held in the teeth of feeling, believed against the evidence of the numbed heart, clung to precisely when it seems least warranted. This is not naivety but the deepest realism, for the felt absence of God is, as we shall see, not the same as his real absence, and the hope that endures the noonday is anchored not in the soul's fluctuating experience but in the unchanging faithfulness of God. To hope in this way, to keep going when going feels pointless, to stay when staying feels like death, and to trust that the peace Evagrius promised does in fact lie on the far side of the endured struggle, is the crowning act of the desert's therapy and the surest path through acedia to the joy beyond it.
From Acedia to Sloth: The Later Christian Tradition
The rich and precise concept of acedia that Evagrius mapped and Cassian transmitted did not remain intact in the later Western tradition, and the story of its transformation is worth telling, both for historical accuracy and because the flattening of acedia into "sloth" has obscured for many modern Christians the very wisdom they most need[9][11]. The decisive figure in this development was Pope Gregory the Great (c. 540 to 604), whose immensely influential Moralia in Job reworked the eightfold scheme of Evagrius and Cassian into the list of seven principal or capital vices that would dominate Western moral theology for a thousand years[9][11]. In Gregory's revision, several of the earlier thoughts were combined and rearranged, and acedia was folded together with sadness, tristitia, so that the distinct thought Evagrius had so carefully isolated lost its independent standing and was absorbed into the broader category of sorrow[9][11]. Gregory placed pride above the list as the root of all the vices, and produced the sequence of seven that later tradition would inherit and that would eventually become the familiar seven deadly sins.
The medieval scholastics, above all Thomas Aquinas, gave acedia renewed theological attention within this sevenfold scheme, and Aquinas's treatment in the Summa Theologiae is subtle and valuable[10]. Aquinas defined acedia as tristitia de bono spirituali, sorrow about spiritual good, a sadness or heaviness of soul in the face of the divine good that ought to be a source of joy, and he understood it as a sin against the joy that flows from charity, indeed as a kind of distaste for or oppression at the very things of God[10]. He recognized it as one of the capital vices, a source from which other sins spring, and he preserved something of the older sense that acedia is a genuine spiritual affliction and not mere idleness[10]. Yet even in this careful treatment, and much more in the popular tradition that followed, acedia increasingly came to be understood and translated as sloth, and sloth came increasingly to mean simple laziness, physical or moral indolence, the failure to work or to bestir oneself[11]. The subtle, spiritual, midday-specific temptation that the desert had known, the weariness of the committed soul, the persuasive despair, the restlessness that could disguise itself as busyness, was gradually eclipsed by the cruder notion of the sluggard who will not get out of bed[11].
Something important was lost in this flattening. The desert's acedia was never primarily about physical laziness, and reducing it to sloth in the modern sense makes it almost invisible to precisely the people who suffer it most, the diligent, the responsible, the spiritually serious, who cannot recognize their own dry and restless despair in a caricature of indolence[11][12]. It is one of the quiet graces of recent decades that the older, richer concept has been recovered and brought back into the light. Scholars and spiritual writers have returned to the sources, and works such as Gabriel Bunge's study of Evagrius on acedia, Jean-Charles Nault's The Noonday Devil, and the writer Kathleen Norris's reflective book Acedia and Me have restored to a wide readership the full and searching meaning of the term[11][12][13]. This recovery matters pastorally, for it gives back to the modern sufferer the very lamp the desert lit, the ability to say, this heaviness, this dryness, this longing to flee, this is acedia, it has a name and a history and a cure, and I am not the first to walk this road. To reclaim the word in its ancient depth is to reclaim the hope that comes with it.
Acedia and Depression: Discernment, Dignity, and the Wisdom of Seeking Help
It is essential, in setting out the desert's wisdom on acedia, to speak carefully and honestly about the relationship between this ancient spiritual category and what modern medicine calls depression, for confusion on this point can do real harm, and clarity can bring real relief. The symptoms overlap in ways that are impossible to ignore. The heaviness, the listlessness, the loss of savor and meaning, the difficulty in prayer and work, the sense of God's absence, the weariness with life, all of these appear in both the desert's descriptions of acedia and in modern accounts of depression[11][12][13]. This overlap has led some to identify the two outright, and others to insist they are entirely distinct, and the truth is more careful than either extreme and requires a genuine pastoral tenderness.
The desert fathers understood acedia primarily as a spiritual temptation, a logismos, a thought and movement of the soul that comes with a suggestion and invites a response, and their remedies presuppose that the sufferer retains the capacity, however diminished, to resist, to stay, to work, to pray, and to talk back[1][3][13]. This is a description of a spiritual and moral struggle with a dimension of the will, and the desert's whole therapy is addressed to that struggle. Modern depression, by contrast, is understood as a condition with physiological, neurological, psychological, and circumstantial dimensions, a genuine illness that is not simply a matter of the will and cannot be resolved by spiritual effort alone, any more than a broken bone or a fever could be[12]. When the desert fathers spoke of acedia, they were not describing a medical condition in the modern clinical sense, and it would be a serious mistake, and a cruel one, to tell a person suffering from depression that they merely need to try harder spiritually, to stay in their cell and pray, as though their illness were a failure of the will or a temptation to be resisted. That is not what the desert meant, and it is not what this report intends.
At the same time, the two are not simply unrelated, and the ancient wisdom retains real value even for those whose suffering has a medical dimension. The spiritual condition of acedia and the illness of depression can coexist, can influence one another, and can present in overlapping ways, and the desert's insights into the lies of acedia, into the danger of decisions made under the pressure of darkness, into the value of ordered rhythm and humble work and honest tears and the refusal to flee, can be genuinely helpful even to someone who is also receiving medical care, offered not as a cure for illness but as spiritual companionship within it[12][13]. What must be held clearly is that the desert's remedies are spiritual counsel, not medical treatment, and that they do not replace, and were never meant to replace, the care that a suffering person may genuinely need from others.
This is the place to say plainly, gently, and without any hint of diagnosis or clinical instruction, that seeking help is a wise and faithful thing to do, and that it is fully compatible with a living faith in Christ. If the heaviness is deep, if the darkness will not lift, if the loss of hope or the weariness with life presses hard and long, it is not a sign of spiritual failure or weak faith to reach out for help, but a sign of wisdom and of humility, which the desert prized above all virtues. God's care for his children comes to us through many hands, and among those hands are the trusted friend who will listen without judgment, the pastor or spiritual director who can pray with us and help us discern, the counselor trained to walk with the wounded, and the doctor whose knowledge of the body is itself a gift of the God who made us body and soul together. To seek such help is not to abandon faith but to enact it, to receive God's care through the people he has placed around us, and no one should ever be made to feel that turning to a counselor or a physician is a betrayal of trust in God. It is, rather, one of the ordinary and beautiful ways that trust in God takes flesh. The desert fathers themselves lived in community, sought out the elders, and refused to trust their own darkened judgment alone, and in that refusal they modeled precisely the humility that seeking help requires. The person reading this who feels the weight described here is a beloved child of God, not a problem to be solved, and reaching for help is part of how the God who loves them is caring for them.
This report offers no medical or diagnostic guidance and names no condition, for that is not its place. Its place is to say that whatever the nature of the darkness, the sufferer is not alone, is not abandoned, and is not faithless for needing help, and that the God who meets us in the noonday meets us also through the care of others, and delights to do so.
Felt Distance Is Not Real Abandonment: The Theology of God's Hidden Presence
At the heart of the experience of acedia, and at the heart of the pastoral need it addresses, lies the terrible feeling that God has withdrawn, that the warmth and reality of his presence have vanished, that one prays into an empty sky. This felt absence is perhaps the most painful feature of the whole condition, more painful than the listlessness or the restlessness, because it strikes at the very relationship that gives the believer's life its meaning. And it is precisely here that the deepest word of the desert, and of the whole of Scripture, must be spoken clearly: the felt absence of God is not the same thing as the real absence of God, and the darkness of acedia, however total it feels, is not evidence that God has abandoned the soul[1][13][16]. This distinction is not a clever evasion but a truth attested throughout the Bible and the Christian tradition, and grasping it is a large part of finding the way through.
Scripture is full of the saints who felt God's absence and were not in fact abandoned. The psalmists cry out again and again from the depths, asking how long the Lord will hide his face, why he seems to sleep, why he stands far off in the time of trouble, and yet these very cries are prayers, addressed to the God they feel has vanished, and they resolve, again and again, into renewed trust[16]. The forty-second and forty-third psalms give voice to the exact experience of acedia, the soul cast down and disquieted, thirsting for a God who seems absent, weeping day and night, and yet in the same breath commanding itself to hope in God, for the psalmist knows, beneath the feeling, that he will yet praise the One who is his salvation and his God[16]. The book of Lamentations, written from the ruins of everything, reaches its turning point not in a change of circumstances but in a deliberate act of memory and hope, the recollection that the steadfast love of the Lord never ceases and his mercies are new every morning, a truth clung to precisely when nothing in the present seemed to confirm it[16]. These texts do not deny the darkness. They enter it fully and honestly, and they insist, from within it, that God is faithful still.
The story of the prophet Elijah under the broom tree is perhaps the tenderest biblical picture of God's care for a soul in the depths of what looks very like acedia[16]. Elijah, exhausted and despairing after his great victory, flees into the wilderness, sits down under a solitary tree, and asks to die, saying it is enough, that he has had enough, that he is no better than his ancestors. And God's response to this broken and suicidal weariness is not rebuke but the gentlest care. God lets him sleep. God sends an angel to feed him, twice, with bread and water, and lets him rest again, tending first to his exhausted body. Only then does God draw him onward, and when at last God meets him at the mountain, it is not in the wind or the earthquake or the fire but in a sound of sheer silence, a still small voice, and God does not abandon Elijah to his despair but gently questions him, listens to him, and recommissions him, giving him work to do and companions for the road[16]. The whole narrative is a revelation of how God deals with the soul in the pit, not with condemnation but with rest, with food, with gentleness, with presence, and finally with a renewed purpose. God was never absent from Elijah, even when Elijah wished to die.
Supremely, the Christian finds the answer to felt abandonment in Christ himself, who entered fully into the experience of God-forsakenness so that no one who suffers it need suffer it alone. In Gethsemane, Jesus was sorrowful and troubled to the point of death, and Luke records that the disciples, overcome, slept for sorrow, a detail that reads almost like a portrait of acedia's heavy sleep[16]. On the cross, Jesus cried out the opening words of the twenty-second psalm, "My God, my God, why have you forsaken me," taking upon his own lips the cry of the abandoned, entering the darkness of felt absence to its very bottom[16]. And there is a detail in the Gospel accounts that the ancient tradition of the noonday demon makes newly luminous. The Gospels record that from the sixth hour, from noon, darkness fell over the whole land until the ninth hour, and that it was in that darkness, at the very hours when Evagrius said the noonday demon lays its heaviest siege, that Christ suffered and died[16]. Whatever the desert fathers made of this, the devotional resonance is difficult to miss and rich with comfort: the very hours of acedia's assault, the flat and terrible noonday, are the hours Christ himself entered and sanctified, so that the believer who suffers the noonday darkness suffers it in company with a Lord who has been there before, who cried the cry of dereliction, and who turned even that darkness into the place of redemption. The felt absence of God on the cross was not the real absence of God, for the Father was accomplishing there the salvation of the world, and the resurrection that followed is the final proof that the darkness of the noonday is not the end of the story.
The theology at work here is what the tradition has sometimes called the doctrine of God's hidden presence, the truth that God is often nearest when he seems most absent, that his withdrawal of felt consolation is not his withdrawal of himself, and that the soul is frequently being drawn deeper into God precisely through the darkness in which it can no longer feel him[13][16]. The desert fathers knew this, which is why they could counsel the monk to persevere through the noonday in confident hope, and why they could promise that peace and joy lay on the far side of the endured siege[1]. The felt distance is real as an experience, and it is not to be denied or minimized, but it is not the truth about the relationship, for the truth about the relationship is that God has bound himself to his people in a covenant love that does not depend on their feelings and cannot be broken by their darkness. The soul that feels far from God may in fact be held more securely than it has ever been, and the very pain of the felt distance is often the sign of a love that will not let go, for one does not grieve the absence of what one does not love.
Conclusion: Christ Present in the Dry Noonday
To the reader who has come this far because the words on these pages describe something you are living right now, who knows the flat and heavy midday of the soul, the dryness in prayer, the feeling that God has gone silent and far away, the restless longing to be anywhere but here and to abandon whatever you are currently trying to be faithful to, hear this before anything else: you are not the first to walk this road, you are not faithless for walking it, and you are not alone on it. The desert fathers, some of the most God-hungry and God-filled people who have ever lived, knew this exact darkness intimately. They gave it a name, the noonday demon, and they did so not to shame the sufferer but to arm him, to hand him the dignity of understanding, to say that what feels like a uniquely personal failure is in truth an ancient and well-mapped temptation that has been faced and overcome by countless others. The very fact that your dryness has a name, that Antony cried out under it and Cassian analyzed it and Evagrius charted its every symptom and lie, means that you are in the great company of the faithful who have felt exactly this and been brought through it into peace.
The desert's counsel to you is gentle and clear. Do not flee. The elsewhere that acedia promises is a mirage, and the decisions it urges are not to be trusted, for they are made in the grip of a temporary darkness that distorts everything it touches. Stay in the place God has given you, the cell of your present life, your calling, your commitments, and let it teach you what it has to teach, trusting that God is present in the here that acedia has declared godforsaken. Keep the humble rhythm that the angel showed Antony, work and prayer woven together through the hours, doing the next small ordered thing with your hands even when your heart is numb, for fidelity is not a feeling but a practice, and the joy will follow the faithfulness rather than lead it. When the lies press hardest, answer them not from your own darkened resources but with the Word of God, holding up his promises against the accusations of the noonday, speaking to yourself the truth that you will yet praise him, that his mercies are new every morning, that he will never leave you nor forsake you. Let yourself weep if the tears will come, for they are the thawing of the frozen ground and the return of the heart to life. And endure, in hope, remembering that the noonday passes, that the day which seems fifty hours long does in fact end, and that Evagrius's promise stands, that on the far side of the endured struggle lies a peace deeper and a joy more inexpressible than any you have known.
And if the darkness is very deep, if it presses long and hard and you cannot find your footing, remember that reaching for help is itself an act of faith and not a failure of it. God's care comes to us through the hands of others, through a trusted friend, a pastor, a counselor, a doctor, and to seek that help is to receive God's love in one of the ordinary and beautiful forms he chooses to give it. You are a beloved child of God, not a problem to be solved, and there is no shame, only wisdom and humility, in letting others help carry what has grown too heavy to carry alone.
Above all, hold fast to the truth that the felt absence of God is not his real absence, that the distance you feel is not the abandonment you fear. The whole witness of Scripture and of the desert insists that God is often nearest when he seems most absent, that his silence is not his indifference, and that the soul which feels far from him may in truth be held more securely than ever in a love that does not depend on feeling and cannot be broken by darkness. Christ himself entered the noonday. From the sixth hour to the ninth, in the very hours of acedia's siege, darkness covered the land, and there, in that darkness, crying out the ancient cry of the forsaken, the Lord of glory accomplished the salvation of the world, and then rose again, so that the noonday darkness is no longer a place of abandonment but a place he has claimed and sanctified and filled with his presence. He is with you in the dry noonday. He knows it from the inside. He has walked through it ahead of you and he walks through it beside you now, and he will bring you, in his own good time, out into the cool of the evening and the joy of his presence. The darkness is real, but it is not the last word. The last word is his, and it is love, and it is life, and it will not fail.
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References
[1] Evagrius Ponticus, The Praktikos (especially chapters 12, 27, and 28 on acedia and its remedies), trans. John Eudes Bamberger, Cistercian Studies Series; and in Robert E. Sinkewicz, Evagrius of Pontus: The Greek Ascetic Corpus, Oxford University Press, 2003.
[2] Evagrius Ponticus, Chapters on Prayer (De oratione), on the gift of tears and compunction, in Bamberger, Cistercian Studies Series, and in Sinkewicz, The Greek Ascetic Corpus.
[3] Evagrius Ponticus, Antirrhetikos (Talking Back: A Monastic Handbook for Combating Demons), trans. David Brakke, Cistercian Publications, 2009.
[4] John Cassian, The Institutes, Book 10, "On the Spirit of Acedia," trans. Boniface Ramsey, Ancient Christian Writers, Newman Press, 2000; also in the Nicene and Post-Nicene Fathers translation by Edgar C. S. Gibson.
[5] John Cassian, The Conferences, trans. Boniface Ramsey, Ancient Christian Writers, Paulist Press, 1997.
[6] The Sayings of the Desert Fathers: The Alphabetical Collection, trans. Benedicta Ward, Cistercian Publications, revised edition 1984 (sayings of Antony the Great and Abba Moses).
[7] Athanasius of Alexandria, The Life of Antony, trans. Robert C. Gregg, Classics of Western Spirituality, Paulist Press, 1980.
[8] The Septuagint (Greek Old Testament), Psalm 90:6 (numbered Psalm 91:6 in the Hebrew and most English Bibles), the source of the phrase "the noonday demon."
[9] Gregory the Great, Moralia in Job (Morals on the Book of Job), on the reworking of the eight thoughts into the seven principal vices.
[10] Thomas Aquinas, Summa Theologiae, II-II, q. 35, on acedia as sorrow concerning spiritual good and as a capital vice.
[11] Jean-Charles Nault, The Noonday Devil: Acedia, the Unnamed Evil of Our Times, trans. Michael J. Miller, Ignatius Press, 2015.
[12] Kathleen Norris, Acedia and Me: A Marriage, Monks, and a Writer's Life, Riverhead Books, 2008.
[13] Gabriel Bunge, Despondency: The Spiritual Teaching of Evagrius Ponticus on Acedia, trans. Anthony P. Gythiel, St Vladimir's Seminary Press, 2012.
[14] Columba Stewart, Cassian the Monk, Oxford University Press, 1998.
[15] Andrew Louth, The Wilderness of God, and The Origins of the Christian Mystical Tradition: From Plato to Denys, Oxford University Press.
[16] The Holy Bible (drawing on the ESV and RSV): Psalms 22, 42, 43, and 91; Lamentations 3:22-23; 1 Kings 19:1-18; Deuteronomy 31:6 and Hebrews 13:5; Matthew 27:45-46; Luke 22:44-45; Matthew 28:20.
[17] Douglas Burton-Christie, The Word in the Desert: Scripture and the Quest for Holiness in Early Christian Monasticism, Oxford University Press, 1993.
[18] William Harmless, Desert Christians: An Introduction to the Literature of Early Monasticism, Oxford University Press, 2004.
[19] Robert E. Sinkewicz, Evagrius of Pontus: The Greek Ascetic Corpus, Oxford University Press, 2003 (introduction and notes on the eight thoughts and the structure of the ascetic life).