Epictetus Discourses 1.22: How Do We Know What is Good and Bad?

The Discourses of Epictetus were recorded by his student Arrian during teaching sessions at Nicopolis in the early second century. Chapter 1.22 asks how we know what is good or bad, and answers with one of the most important insights in Stoic philosophy: we already know. We were born knowing. The problem is not the knowledge but the application. View the full Book 1 commentary.

What Epictetus Is Arguing in Discourses 1.22

In this discourse, Epictetus asks us to look at our primary conceptions, what the Stoics call prolepseis: the innate, general concepts of good and bad, noble and shameful, just and unjust that every rational being comes into the world already carrying. He starts by observing that we all share these concepts and that they do not contradict each other. Yet conflict is everywhere. Why?

We Are Born Knowing

These are not opinions we develop through experience. We do not learn them from our parents or our culture. They arrive with us. We have not been taught what good means: we have always already known that the good is what is advantageous, what should be chosen, what should be sought in all circumstances. We have always known that the noble is worth pursuing. These concepts are built into the rational faculty itself.

The philosopher and scholar Margaret Graver, who wrote the book Stoicism and Emotion, noted that this begins even before birth. A baby in the womb has warmth, safety, nourishment without effort, continuous and effortless. Then birth: cold, bright, loud, frightening. Then the warm towel in the mother’s arms: good. This is not a learned value. The infant is not performing a philosophical calculation. The distinction between good and bad is the first distinction any conscious creature makes, and it is made before a single word of moral education has been given. The primary conceptions do not come from outside. They were there first.

This is also where the Stoic concept of oikeiōsis begins. Oikeiōsis is usually translated as appropriation or affinity: the process by which a rational being recognises and claims what belongs to it. The first act of self-appropriation is exactly what the warm towel represents. The infant recognises this warmth as mine, as belonging to me, as good for me. This is not selfishness. It is the most basic expression of the rational faculty becoming aware of its own good. From this starting point, oikeiōsis extends outward: from self to family, from family to community, from community to all of humanity. The primary conceptions that Epictetus says we all share are the universal layer of this process. We all know warmth from cold, care from harm. What education teaches us is to apply this innate knowledge correctly in the increasingly complex situations that arise as the circle of appropriation widens.

Where Does Conflict Arise?

Both observers share the concept of courage. Neither disputes that courage is a virtue worth admiring. They disagree about whether this particular action in this particular situation was an expression of courage or an expression of recklessness. The primary conception is identical, but the application to the specific case is where they part ways.

This is one of the most practically important insights in all of Stoic philosophy. Most human conflict is not a clash of values. It is a disagreement about how shared values apply to a particular case. The person arguing for one position and the person arguing against it almost always share the same foundations. They have both made the same warmth-in-the-arms-of-the-mother judgement. They both know good from bad in the most basic sense. What differs is how they are reading the situation in front of them.

The act of applying a preconception to a particular case is what Epictetus calls a judgment. This is hypolēpsis in Greek: a specific opinion or assumption formed in the moment about the situation in front of you. The preconception of courage does not change. The judgment that this particular action is or is not an expression of courage is where the work happens and where the error enters. This is why logic is needed: not to discover new values but to form better judgments about how existing values apply to the cases we actually face.

The Same Argument in Every Culture

The same pattern runs through every human community. Jews, Syrians, Egyptians, and Romans do not disagree that holiness should be pursued. They disagree about whether this particular food practice is compatible with holiness. Stoics and Epicureans do not disagree that the good should be pursued. They disagree about whether it is located in virtue or in pleasure. People who argue about justice in political life today almost all agree that human dignity matters. They disagree about which policy in which circumstance best expresses it.

This does not resolve the disagreement. Someone is still applying the preconception wrongly. But it changes how to approach the disagreement. If the other person shares your foundations, which the Stoic says they do, then you are not trying to teach them what good is. You are trying to show them how they are misapplying what they already know. That requires logic and specific engagement with the case, not the assertion of general principles they already accept.

One of Them Is Wrong

Epictetus does not resolve this into relativism. When two people apply the same preconception to the same case and reach different verdicts, one of them is making a wrong application. The insight that conflict stems from misapplication rather than different values does not mean both applications are equally valid. It means the error is locatable and correctable through logic and education. This connects directly to the argument in chapter 1.18: error comes from ignorance, not malice. No one misapplies a preconception because they want to be wrong. They misapply it because they cannot yet see the case correctly.

What Is Proper Education?

This is the clearest definition of philosophical education in Book 1. Not acquiring new values: we already have them. Not learning new principles: they were given with the rational faculty. Learning to apply the natural preconceptions correctly to particular cases. And the first and most essential application is the one that has run through every chapter of this book: distinguishing what is in our power from what is not. That distinction is the hinge on which every correct application turns. If you apply the preconception of good to something outside your power, you will misapply it every time. If you apply it to what is genuinely yours, the application has a chance of being correct.

Where Is the Good?

The chapter closes by returning to where chapter 1.1 began. What is in our power is prohairesis: our opinions, motivations, desires, aversions. The good belongs there. Not in land, not in reputation, not in the body, not in what others do or say. To align our preconceptions with nature is to accept whatever happens as the way it should happen, to observe each moment for what it is, and to take the right action within the sphere of what is genuinely ours. That is what philosophy is for; to apply the knowledge we already have to the life we are actually living.

The Exercise: The Shared Premise

Disciplines: Assent · Action   |   Timing: During or after a significant disagreement · 15 minutes

Take one genuine disagreement you are currently in with another person. Not the surface argument but the underlying values.

Ask first: what is the primary conception both of you share that this argument is actually about? What value is each of you trying to honour? Jews and Romans both agree that holiness matters. They disagree about the practice. Name your equivalent: the value you and the other person both hold, even if you never name it directly in the argument.

Then ask: where exactly is the disagreement in the application of that shared value to this particular case? At what specific point do your readings of the situation diverge? Can you name the point plainly, without restating your position?

Once you can name that point, you have found the actual question. Everything before it was not the real argument. The logic needs to be applied there, at the specific case, not at the level of the general values you already share.

This exercise is one of 30 drawn from the Discourses. See the full 30 Epictetus exercises from Discourses Book 1.

← Discourses 1.21: On Seeking Admiration | → Discourses 1.23: Against Epicurus

Frequently Asked Questions

What is Epictetus Discourses 1.22 about?

Discourses 1.22 examines how we know what is good or bad and why people disagree despite sharing the same foundations. Epictetus argues that all people carry innate primary conceptions of good, bad, noble, and shameful. Conflict does not arise from different values but from different applications of shared values to particular cases. Being properly educated means learning to apply these preconceptions correctly, which requires distinguishing what is in our power from what is not.

What are the primary conceptions in Stoic philosophy?

Primary conceptions (prolepseis in Greek) are innate general concepts that every rational being carries from birth: the concepts of good and bad, noble and shameful, just and unjust. They are not learned through experience or taught by culture. They arrive with the rational faculty itself. The warm towel in a newborn’s experience is good before any explicit teaching. The conflict between people arises not because they have different primary conceptions but because they apply them differently to the specific situation in front of them.

Why do people disagree about good and bad if they share the same preconceptions?

Because conflict arises in the application of shared conceptions to particular cases, not in the conceptions themselves. Jews, Syrians, Egyptians, and Romans all agree that holiness should be pursued. They disagree about whether eating swine’s flesh is compatible with holiness. Two people watching the same action will agree that courage is admirable but disagree about whether this particular action was courageous or reckless. The foundations are shared. The error is in reading the specific case correctly, and that requires education and logic.

What does Epictetus say proper education is?

Proper education is learning to apply natural preconceptions to particular cases in accordance with nature, and to distinguish that some things are in our power and others are not. It is not acquiring new values: we already have them. It is learning to use them correctly. The first and most essential application is the dichotomy of control: if you apply the preconception of good to something outside your power, you will misapply it every time. If you apply it to what is genuinely yours, the application has a chance of being correct.

What is the Stoic exercise from Discourses 1.22?

The exercise is the Application Test. Take one genuine disagreement with another person. Find the underlying value both of you are trying to honour: this is the shared primary conception. Then identify the exact point where your applications of that value to the specific case diverge. Once you can name that precise point, you have found the actual question. Everything before it was not the real argument. The logic needs to be applied there, not at the level of the general values you already share.

Want to Apply This to Your Own Life?

Reading the Discourses is the beginning, not the end. If you want to work through what Epictetus is asking of you and apply it to what you are actually dealing with right now, I offer one-on-one Stoic coaching. Start with a free consultation. Listen to The Via Stoica Podcast on Spotify, Apple Podcasts, or YouTube. Browse the Epictetus quotes collection for more passages from the Discourses.

About the Author

Benny Voncken is the founder of Via Stoica, a platform dedicated to making Stoic philosophy practical for modern life. He is a writer, podcast host, and Stoic thinking partner with almost a decade of daily Stoic practice. He creates articles, workshops, and reflections that bring ancient wisdom into everyday use.