Not Opposites But Complements: The Epicurean View of Love and Hate

Why the Same Logic That Unites Matter and Void, and Pleasure and Pain, Makes Love and Hate Inseparable

By Cassius Amicus

One of the most persistent and damaging distortions of Epicurean philosophy is the picture of Epicurus as a quietist — a man who counseled his followers to withdraw from the world, suppress their emotions, and cultivate a kind of serene indifference toward everything outside their garden walls. On this reading, Epicurus emerges as a philosophical pacifist who regarded all conflict, all anger, and all vigorous opposition to wrongdoing as contrary to the good life. This picture is false from top to bottom, and the consequences of accepting it are severe: it produces not a version of Epicurus but a pale imitation of the Stoicism he spent his life opposing.

The truth is almost the reverse. A consistent reading of Epicurean philosophy — grounded in Epicurus’s own texts, in the testimony of his most faithful followers, and in the lives of men and women who actually applied his teachings — produces a thinker who understood that love and hate are not opposites but two expressions of the same underlying reality. To love what is genuinely good is simultaneously to oppose what threatens it. Pleasure and pain are not two separate things but two poles of a single life-measuring faculty — and this pairing runs all the way down through Epicurean physics itself, where all of existence is composed of matter and void, two apparent opposites that are in fact the mutually necessary conditions of everything that exists. Neither matter nor void is intelligible without the other; neither pleasure nor pain is intelligible without the other; and neither love nor hate is intelligible without the other. Friendship and enmity follow the same logic. An Epicurean who genuinely loves his friends, his family, and his freedom cannot be indifferent to those who would harm them. The capacity for natural, righteous anger is not a failure of Epicurean philosophy — it is one of its clearest predictions.

The Error of Quietism: How Misreading Entered the Record

To understand how Epicurus came to be misrepresented as a pacifist, it helps to identify who had the strongest motive for promoting that misreading. The answer, as it so often is when Epicurus has been distorted, is the competing philosophical schools — above all the Stoics, the Platonists, and later the Christian moralists — each of whom preferred a domesticated, de-fanged Epicurus to the real one.

The Stoics, in particular, built their entire emotional theory around the rejection of the passions (apatheia — literally, freedom from passion). For Stoics, anger was never rational, never natural, never justified. Marcus Aurelius, Seneca, and Epictetus all agreed on this point: to feel anger is to have already made an error of judgment. The Stoic sage is impervious to insult, untroubled by injury, and responds to wrongdoing not with emotion but with cold, detached duty.

It was tempting — and historically common — for commentators trained in Stoic assumptions to read Epicurean restraint through this same lens. When Epicurus warned against allowing anger to run unchecked, when he counseled caution in political involvement, when he described the ideal of a life lived in philosophical community rather than in the arena of public ambition, these positions were silently translated into Stoic terms and then attributed back to Epicurus. The result was an Epicurus who condemned all anger, who endorsed passive withdrawal from injustice, and who in effect agreed with his greatest rivals about the fundamental nature of the emotions.

This is exactly backwards. Epicurus rejected Stoic apatheia as deeply unnatural. He insisted that pleasure and pain — and the full range of emotional responses that flow from them — are the foundational data of a good life, not obstacles to be overcome. The question was never whether to feel, but how to feel clearly and well.

Philodemus and the Treatise That Clarifies the Record

The most important ancient Epicurean text on the subject of anger survived by extraordinary luck. On Anger (De Ira), written by the Epicurean philosopher Philodemus of Gadara in the first century BC, was buried under volcanic debris when Vesuvius erupted in 79 AD and sealed in the Villa of the Papyri at Herculaneum. When the first excavations recovered charred papyrus scrolls in the eighteenth century, the first two-thirds of the text had been irretrievably destroyed. What remained, combined with careful modern scholarship — including multispectral imaging that has recovered additional readings — gives us a document of immense importance.

David Armstrong and Michael McOsker’s 2020 critical edition and translation brings this document into sharp focus. On Anger gives us the most detailed surviving Epicurean treatment of what constitutes natural and praiseworthy anger, as distinguished from unnatural, empty rage. Philodemus was not innovating here — he was transmitting and developing a doctrine entirely consistent with Epicurus’s own foundational framework of natural and empty desires, and drawing on a tradition that ran through his teacher Zeno of Sidon directly back to Epicurus himself. The fact that other ancient texts on this specific subject have not survived does not make the doctrine any less Epicurean; it makes the preservation of this particular scroll all the more fortunate. And what it preserves directly contradicts the quietist caricature.

The contrast Philodemus draws is not between feeling anger and not feeling it. It is between three very different kinds of anger: natural anger arising from real, intentional harm; the chronic, addictive fury of the unstable personality; and the empty, pleasure-seeking rage of the vindictive fool. Only the second and third types are condemned. The first — natural anger — Philodemus does not merely permit. He declares it inescapable.

Natural Anger: Inescapable, Not Merely Permissible

The Greek word Philodemus uses is ἀνέκφευκτος — inescapable. Anger, as a general kind, is inescapable for human beings. Natural anger in particular is inescapable “for the nature of humans.” This is not a grudging concession; it is a strong philosophical claim. Philodemus is saying that any account of the good life that requires eliminating natural anger from the picture has already made a fundamental error about human nature.

Elizabeth Asmis, in her 2011 essay “The Necessity of Anger in Philodemus’ On Anger” (in Epicurus and the Epicurean Tradition, Cambridge University Press), showed that the key to understanding Philodemus’s position lies in mapping anger onto Epicurus’s familiar three-category classification of desires. Epicurus distinguished three kinds of desire: natural and necessary desires (food, shelter, friendship), natural but unnecessary desires (pleasures that are real but not essential), and empty desires (pursuits based on false beliefs, with no real foundation in pleasure or pain). Asmis’s argument is that anger follows exactly the same structure. Natural anger responding to real, intentional harm is precisely analogous to a natural and necessary desire — it arises from reality, it is grounded in correct perception, and it cannot be eliminated without damage to the person who suppresses it.

Philodemus states this directly in the text. At column 37.24–39, he writes that natural anger, “taken in isolation, is an evil, since it is painful or is analogous to something painful, but if taken in conjunction with one’s disposition, we think that it is something that may even be called a good. For it results from seeing what the nature of states of affairs is and from not having any false beliefs in our comparative calculations of our losses and in our punishments of those who harm us.” (Armstrong and McOsker translation.) The emotion is not condemned — it is validated, precisely because it tracks reality correctly. It is the product of clear-eyed assessment, not distortion.

The consequence the wise Epicurean reaches upon recognizing genuine harm is not pleasure in vengeance — Philodemus is entirely clear on this point. It is more like the grim determination of a patient accepting necessary surgery. As the surviving text tells us, the Epicurean sage “contemplates retribution not as something enjoyable… but as one would face something utterly necessary, but utterly unpleasurable, like a draught of wormwood, or surgery.” The action is taken because it must be taken, because the nature of things — justice included — demands it. There is no savoring of the enemy’s suffering. There is simply the recognition that wrongdoing must be addressed, and a willingness to address it.

By contrast, the Stoic position held that there is no such thing as any kind of rational or natural anger. Every instance of anger, on the Stoic view, is a cognitive error — a false judgment that something bad has happened when the Stoic sage knows that nothing truly external can harm him. The Epicurean rejection of this view is total. Epicurus began his philosophy from the bedrock reality of pleasure and pain as natural guides. To say that a person who has been genuinely harmed — whose body, whose friends, whose freedom has been damaged by someone who acted intentionally — has made a cognitive error in feeling anger is, for the Epicurean, simply false. The pain is real. The harm is real. The anger that arises from correct perception of that harm is equally real, and equally natural.

The Logic of Love and Hate as a Single System

This brings us to the deeper philosophical point that the quietist reading completely misses: in Epicurean philosophy, love and hate are not opposites but complements. They are two aspects of the same truth-tracking emotional system. And this is not a point that requires any special argument about emotions — it follows directly from the foundational structure of Epicurean physics, and from the deliberate way Epicurus built his ethics on that physical foundation.

Epicurus taught that all of existence consists of exactly two things: matter and void. These look like opposites. Matter is something; void is nothing. But that framing is misleading. Matter and void are not rivals — they are the mutually necessary conditions of each other’s intelligibility and of everything that exists. Without void, matter could not move, could not take distinct shapes, could not form the atoms that combine to make every object in the universe. Without matter, void would be a meaningless abstraction. They are not two competing principles but two aspects of a single reality. You cannot have one without the other, and the whole universe is built from their interaction.

Crucially, Epicurus did not merely assert that matter and void are the two components of the universe. He proved that they are exhaustive — that there is no third thing. Body is defined as that which possesses resistance; space is defined as that which lacks resistance. Since everything with independent existence must have volume and must be either resistant or non-resistant, there is no further possibility. The scheme is what we might call a formal binary: body and space are the formal contradictories of each other, and together they cover the entire universe with nothing left over.

David Sedley, in his essay “The Inferential Foundations of Epicurean Ethics” (Ethics, Cambridge University Press, 1998), has demonstrated that the parallel between this physical framework and the ethical framework is not a loose analogy or a teaching device. It is the actual methodological skeleton on which Epicurus built the entire ethical system — and the similarity, as Sedley writes, is “so close that it cannot have been unconscious or accidental.” Sedley shows that Epicurean ethics followed the same four-stage inferential procedure as Epicurean physics: first, a primitive mapping of the territory into its two fundamental constituents as self-evident facts established through feeling; second, conceptual amplification and defense of that mapping; third, a formal proof that the two constituents are exhaustive — that there is no third category; and fourth, the systematic elimination of any rival claimant to independent status.

In ethics, the two fundamental constituents are pleasure and pain. And Sedley’s most important insight is that Epicurus applied the same formal binary move to ethics that he had applied to physics. In the physical exposition, Epicurus proved that everything with independent existence is either body or space — there is no third thing. In the ethical exposition, he eliminated the possibility of a neutral middle state between pleasure and pain. Any feeling that is not painful is thereby pleasant, and vice versa. Pleasure and pain, like body and space, are formal contradictories: each is defined as the absence of the other, and together they cover the entire domain of value with nothing left over.

This is a stronger claim than most readers of Epicurus appreciate. Pleasure and pain are not merely different experiences that happen to be present in any full human life. They are defined in terms of each other, such that neither is intelligible without the other. The removal of pain is itself a pleasure. The presence of pleasure is itself the absence of pain. They constitute a closed binary that maps all of value onto exactly two poles, just as matter and void map all of physical existence onto exactly two poles.

Pleasure and pain work exactly the same way in lived experience. Epicurus was emphatic that they are the two fundamental guides of life — the twin poles of the faculty by which we measure and navigate experience. They are not two separate things accidentally connected; they are two expressions of the same underlying sensitivity to what promotes or harms our life. A living being that could feel pleasure but not pain would have no way to recognize genuine danger. A living being that could feel pain but not pleasure would have no way to recognize genuine benefit. The two are inseparable aspects of the same nature, just as matter and void are inseparable aspects of the same universe.

Love and hate extend this formal structure into the social world.

Consider what it means to love something in Epicurean terms. To love your friends is not a vague sentiment — it is a recognition that their well-being is genuinely part of your pleasure, that their harm is genuinely your pain. Epicurean friendship (philia) is perhaps the most robustly defended value in the entire system. Epicurus famously wrote that “of all the things which wisdom acquires to produce the blessedness of the complete life, far the greatest is the possession of friendship.” This is not a decorative sentiment. Friendship, on Epicurean grounds, is woven into the fabric of what it means to live well.

But if the well-being of your friends is genuinely bound up with your own, then what happens when someone harms them? The answer is not mysterious. The same faculty that registers their flourishing as a source of pleasure will register their suffering as a source of pain. The same orientation toward them that produces gratitude when they are helped will produce anger when they are hurt. You cannot have one without the other. To say that a genuine Epicurean would feel warm gratitude toward those who benefit his friends but cool indifference toward those who harm them is to describe an emotional system that has been partially severed — precisely the kind of distortion the three adulterating traditions (Stoicism, Platonism, and supernatural religion) were each, in their different ways, trying to produce.

Philodemus himself drew exactly this parallel. He compared the debt of natural anger toward those who intentionally harm us to the debt of natural gratitude toward those who benefit us. Both are responses to the actions of other conscious agents. Both are proportionate. Both are grounded in reality. A person who feels no gratitude and no anger has not achieved Epicurean wisdom — he has achieved emotional deadness, which is something else entirely.

The Difference Between Epicurean and Stoic Anger

It is worth being precise about what exactly Philodemus condemns, because the quietist misreading often works by conflating Epicurean caution about how to be angry with a Stoic rejection of anger as such.

What Philodemus condemns is not anger but three specific corruptions of anger:

First, he condemns empty anger (κενὴ ὀργή) — anger not grounded in real, intentional harm. The fool who flies into rage at accidents, at bad luck, at impersonal events, or at trivial slights is experiencing an emotion based on false beliefs. This is the anger of someone who imagines that the universe owes him smooth treatment, or who takes pleasure in imagining revenge for its own sake. This anger is genuinely destructive because it is not tracking anything real.

Second, he condemns chronic fury — the addictive, habitual rage of the person who has made anger a way of life. This is not natural anger extended; it is a disease of the soul, one that destroys the person’s relationships, his capacity for philosophical progress, and his ability to enjoy life. The chronically angry person cannot advance in philosophy because he cannot think clearly.

Third, he condemns disproportionate retaliation — the specifically Achillean error of treating a wound to honor as equivalent to a wound to life and limb. Philodemus is clear that the Epicurean sage will never get angry for the reasons Achilles got angry. For readers unfamiliar with the reference: in Homer’s Iliad, Agamemnon publicly stripped Achilles of his war prize — a captive woman named Briseis — as an assertion of his superior rank. No physical harm was done. Achilles was not injured, not endangered, not deprived of anything essential to his survival or his friendships. What was damaged was his standing in the eyes of other warriors. His response was to withdraw from battle entirely, allowing thousands of his own comrades to die, and ultimately contributing to the death of his closest companion Patroclus — a catastrophe wildly out of proportion to the original slight. This is precisely the pattern Philodemus identifies as corrupt: anger mobilized in defense of pride rather than genuine harm, and pursued at a cost that no clear-eyed assessment of real goods and real losses could justify. The point of reference is not heroic pride but genuine harm.

What Philodemus explicitly endorses is the vigorous, decisive response to real harm intentionally inflicted. The surviving text states the principle directly: “the essence of natural anger is punishment of those who intentionally caused real harm and the removal of the possibility of further harm caused by the offenders or any others who might imitate them.” This is not passive. This is not indifferent. It is a prescription for action — action that is measured, grounded in reality, aimed at a specific and rational end (removing the source of harm), and taken with the grimness of necessity rather than the pleasure of cruelty.

As Armstrong and McOsker note in their critical edition: “when Epicurean sages act in anger, they act vigorously and decisively.” The text itself goes further still. Philodemus states that the wise man would be “insane” not to “grit his teeth and come back at him in one way or another” when genuine harm has been deliberately inflicted. This is not the language of withdrawal. It is the language of a philosophy that takes real harm seriously and expects a real response.

Epicurus’s Own Example: Anything But Quiet

There is something almost comic about describing Epicurus himself as a quietist. The historical Epicurus was one of the most energetically combative philosophers in the ancient world. He wrote prolifically — his collected works reportedly ran to over three hundred scrolls — and a substantial portion of that output was devoted to direct attacks on rival philosophers. He did not engage his opponents in the polite manner of academic debate. He named them. He characterized their errors with biting precision. He reserved particularly pointed language for Plato, for the Skeptics, and for those he regarded as promoters of false philosophy.

The school he founded was explicitly evangelical. Unlike the Platonic Academy or the Stoic Stoa, the Epicurean Garden was designed to spread the philosophy beyond the walls of any single institution. Later followers like Diogenes of Oenoanda had the core teachings inscribed on a massive stone wall in a public square in what is now southern Turkey, so that passersby could encounter Epicurean philosophy without being able to avoid it. Lucretius, the great Roman Epicurean poet of the first century BC, opened De Rerum Natura with an invocation of Venus — Love herself — and structured his entire philosophical argument as an assault on the forces that keep human beings in fear and ignorance. This is not the work of someone who counseled passive withdrawal.

What Epicurus counseled was discernment — knowing which battles are worth fighting, which involvement will bring more pain than gain, and which engagements are likely to produce real benefit for oneself and one’s friends. The default caution about political involvement was never an absolute prohibition. It was a practical recognition that most political arenas are dominated by ambition, vanity, and empty honor — precisely the empty desires Epicurean philosophy identifies as destructive. But when the circumstances were sufficiently extreme, when the harm was real and great and demanded action, the “no politics” rule could and did yield to something more fundamental: the Epicurean commitment to protection of genuine goods.

The Roman Generals: Epicureans Who Fought When It Mattered

The most powerful historical refutation of the quietist reading is the simple fact that some of the most consequential military and political actors of the late Roman Republic were committed Epicureans — and none of them saw any contradiction between their philosophy and their willingness to fight.

Gaius Cassius Longinus is the most famous example. As David Sedley documented in his important article “The Ethics of Brutus and Cassius” (Journal of Roman Studies, 1997), Cassius was a convinced Epicurean at the time of his greatest actions. His conversion to Epicureanism around 48 BC initially accompanied a decision to withdraw from the civil conflict between Caesar and Pompey — a decision entirely consistent with the default Epicurean preference for avoiding political turmoil. But Cassius remained an Epicurean when he changed course completely. He organized the conspiracy against Julius Caesar in 44 BC and led armies in the field after the assassination, winning significant military victories in Syria before the final confrontation at Philippi in 42 BC. He fought and died as a Roman general and as an Epicurean.

Sedley’s scholarship on this point is indispensable. He records that there was an Epicurean tradition, going back to Epicurus himself, of suspending the general disinclination to political involvement when the situation demanded action. He notes that this was an Epicurean tenet already familiar to Cicero, who recorded it in On the Republic (1.10), and that Seneca attributed the position directly to Epicurus himself. The “no politics” default was never an absolute principle but a context-sensitive judgment about where genuine goods were most likely to be found.

Sedley also records that Brutus — who was not himself an Epicurean, but who was working alongside Cassius — approached the Epicurean Statilius with the explicit question of whether participating in the conspiracy was philosophically permissible. The very fact that Brutus thought to ask an Epicurean this question tells us something important: it was not self-evident that an Epicurean would say no. And indeed, it was not obvious to Cassius either, since he did not say no.

We should not misread the character of Cassius. Shakespeare’s rendering, influenced by Plutarch’s partisan biography, gives us a cold schemer. The historical Cassius was a serious philosophical man who had thought carefully about justice, about genuine harm, and about when the calculus of benefit and cost required action rather than withdrawal. In Epicurean terms, the question was not whether tyranny was bad — it obviously was — but whether action to remove it was likely to produce more good than harm. When Cassius concluded that it was, he acted with the full force of his character and his military capability.

Principal Doctrine 6 provides the underlying framework: “In order to obtain protection from other men, any means for attaining this end is a natural good.” This is a strong and sweeping statement. It does not say “some peaceful means” or “modest defensive measures.” It says any means for attaining this end is a natural good. The end — protection from those who would harm us — is grounded in the most basic facts of human nature. And the means, Epicurus says explicitly, are unrestricted by any additional qualification.

Justice As the Philosophical Foundation

The Epicurean account of justice, laid out in the Principal Doctrines, is equally far from quietism. Principal Doctrine 31 defines justice as an agreement among people neither to harm nor to be harmed — a compact rooted in the mutual recognition that harm is real and that its prevention is a genuine good. Principal Doctrine 34 adds that injustice is not bad in itself in some abstract Platonic sense, but that the fear of detection and punishment makes it genuinely painful to those who practice it. And Principal Doctrine 35 specifies that justice cannot exist without law and enforcement: it requires a social structure capable of actually deterring and punishing those who violate the compact.

These are not the doctrines of a passive philosophy. They describe a framework in which harmful action by one party justifies and requires a response from the injured party and from the community. Anger at genuine injustice is not a departure from Epicurean philosophy — it is the natural emotional expression of a person who correctly perceives that the compact has been violated and that something must be done about it.

The relationship between justice and anger in Epicurean thought is therefore one of mutual support. Natural anger is the emotional signal that genuine harm has occurred. Justice is the social and rational framework within which that signal is correctly interpreted and correctly acted upon. A person who feels no anger at real injustice is failing to register correctly. A community that enforces no justice when the compact is violated will soon find that the compact is worthless. Both the emotion and the enforcement are necessary components of a genuinely Epicurean account of the good life.

Sedley’s Two Contributions: Foundation and Text

David Sedley has made two distinct scholarly contributions that bear directly on the argument of this article, and it is worth drawing them together.

The first is the “Inferential Foundations” argument discussed above. Sedley shows, using Cicero’s presentation of Torquatus in On Ends Book I as his primary evidence, that Epicurus built his ethics on exactly the same inferential foundation as his physics — a self-evident division of the territory into two fundamental categories, followed by conceptual amplification, followed by a formal proof of exhaustiveness. In physics the two categories are body and space. In ethics the two categories are pleasure and pain. In his own summary, Sedley traces the parallelism through four distinct stages: “a primitive dyadic sketching-in of the territory; conceptual amplification and defence of the sketch; formal proof of its exhaustiveness; elimination of further claimants to inclusion.” This is not a teaching analogy — it is the actual architecture of Epicurean thought, and it runs from the deepest level of physics straight through to the foundations of ethics and, as we have argued, to the emotional structure that follows from those foundations.

The second Sedley contribution concerns the textual evidence for Philodemus’s On Anger. He was, as Voula Tsouna notes in her comprehensive Ethics of Philodemus, the first scholar to characterize and warn against what he called “bracket blindness” — the tendency of scholars to overlook the brackets surrounding editorial restorations in fragmentary papyrus texts, and then to develop interpretations based on what may be largely conjectural reconstructions. This methodological caution is essential when working with On Anger, where the first two-thirds of the text have been lost and portions of the remainder are heavily restored.

What Sedley’s methodological care reinforces, paradoxically, is the strength of the conclusions we can draw from On Anger, because the passages most relevant to our argument are among the best-attested in the surviving text. The core thesis — that natural anger is inescapable, that the wise man acts against those who cause real intentional harm, and that this action is vigorous and decisive — is not reconstructed from lacunae. It is what the text actually says in its clearest passages.

Taken together, these two contributions form a powerful arch. Sedley’s “Inferential Foundations” work shows that the philosophical system requires a complementary treatment of positive and negative values at the foundational level. His work on the Philodemus text shows that the ancient Epicureans actually developed exactly such a treatment when they turned to the specific topic of anger. The philosophical architecture and the surviving textual evidence point in the same direction.

Epicurus Against the Pacifist Reading: The Letter to Menoeceus

Even the Letter to Menoeceus — Epicurus’s most personal and accessible philosophical letter, the one most often quoted by those who want a gentle, contemplative Epicurus — contains no endorsement of passivity in the face of genuine harm. What it contains is a rigorous account of the conditions for genuine pleasure and the means of achieving it, which emphatically includes the development of practical wisdom — the capacity to judge correctly in complex situations, to weigh costs and benefits, and to act well under uncertainty.

Practical wisdom is not a passive capacity. It is precisely the rational faculty that enables the wise man to distinguish natural anger from empty rage, to judge when action is required and when restraint is better, and to pursue what is genuinely good with the full force of a well-ordered character. The Epicurean who has developed practical wisdom to its fullest extent is not a person who sits quietly while wrongdoers flourish around him. He is a person who knows when and how to act — and who acts with the decisive courage of someone whose response is grounded in reality, not distorted by pride, fear, or the empty desire for revenge.

The Stoics Were the Pacifists

A final correction is worth making explicit: if the ancient philosophical tradition contains a school that genuinely counseled emotional suppression and passive endurance of external circumstances, it is the Stoics, not the Epicureans.

The Stoics taught that virtue alone is the good, that external circumstances — including the death of friends, the loss of health, the oppression of tyrants — are at worst “preferred indifferents,” and that the truly wise man remains undisturbed in the face of all of them. Marcus Aurelius, writing as Emperor of Rome, counseled himself to feel no anger even at those who wronged him. Seneca, who was one of the most prolific ancient writers on anger, devoted three books (De Ira) to arguing that anger is never rational, never justified, and always harmful to the person who feels it.

For the Stoic, this position is internally consistent: if nothing external truly harms the wise man, then there is nothing to be angry about. The pain is always, in the end, a cognitive error.

For the Epicurean, this position is a form of philosophical dishonesty. Pain is real. Harm is real. The person who denies that he has been genuinely harmed when he clearly has is not wise — he is deluded, or lying. Natural anger, arising from the correct perception of real intentional harm, is not a cognitive error. It is what an honest, clear-eyed person feels. And it appropriately drives him to act.

The quietist misreading of Epicurus is, at its root, a Stoicization of Epicurus — a smuggling of Stoic emotional theory into a philosophy that was built precisely to reject it.

What a Consistent Epicurean Looks Like

Let us close by drawing the portrait of the consistent Epicurean that emerges from this analysis.

He is a person who loves deeply — his friends, his family, the philosophical community that sustains him, the good life he has worked to build. He is capable of intense gratitude toward those who help him and genuine affection toward those who share his values.

He is also a person who can hate clearly — who recognizes that those who intentionally harm what he loves are genuinely opposed to his good, and who does not pretend otherwise. His hatred is not chronic fury, not vindictive cruelty, not the empty pleasure of imagining an enemy’s pain. It is the straightforward recognition that certain people, by their actions, have placed themselves in opposition to genuine goods.

When those people threaten what he loves with real harm, he acts — vigorously and decisively, as Philodemus says — with the grimness of necessity rather than the pleasure of cruelty. He does not enjoy the conflict. He engages it because it must be engaged.

He does not make politics a way of life, but he is not indifferent to politics when the stakes are high enough. He knows, as Cassius Longinus knew, that there are moments when withdrawal is not wisdom but abdication — when the harm is real enough and great enough that action is what the nature of things requires.

He is not a Stoic. He is not a quietist. He is not a pacifist.

He is an Epicurean.

Sources and Further Reading

Philodemus, On Anger (De Ira, PHerc. 182). Translated and edited by David Armstrong and Michael McOsker. SBL Press, 2020.
Elizabeth Asmis, “The Necessity of Anger in Philodemus’ On Anger.” In Jeffrey Fish and Kirk R. Sanders, eds., Epicurus and the Epicurean Tradition. Cambridge University Press, 2011, pp. 152–182.
David Sedley, “The Ethics of Brutus and Cassius.” Journal of Roman Studies 87 (1997): 41–53.
David Sedley, “The Inferential Foundations of Epicurean Ethics.” In S. Everson, ed., Ethics (Cambridge University Press, 1998), pp. 129–150. (Originally published in G. Giannantoni and M. Gigante, eds., Epicureismo Greco e Romano, Naples, 1996.)
Voula Tsouna, The Ethics of Philodemus. Oxford University Press, 2007. (Especially chapter 6, “Anger and the Desire for Revenge.”)
Voula Tsouna, “Philodemus, Seneca, and Plutarch on Anger.” In Fish and Sanders, Epicurus and the Epicurean Tradition, pp. 183–210.
David Armstrong, “Real Harm, not Slight: the Prerequisites for ‘Natural Anger’ in Philodemus’ On Anger and their Influence on Vergil.” Paper presented to the Society for Classical Studies.
Epicurus, Principal Doctrines (especially PD 6, 31, 34, 35).
Epicurus, Letter to Menoeceus.
Diogenes Laertius, Lives of the Eminent Philosophers, Book X (Life of Epicurus).

This article is one of a series written to explain Epicurus’ views to modern audiences. It has been prepared with the use of AI assistance by Cassius Amicus, drawing on the sources referenced in the article. All editorial decisions and opinions stated in this article are those of Cassius Amicus and should not be presumed to be those of the original sources referenced herein. This article was first published on April 30, 2026. For further discussion of this topic and related questions, visit EpicureanFriends.com.

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