Pillar / Concepts
Concepts
The essential ideas behind Stoic philosophy, explained simply. Each one traces back to what the ancient Stoics actually wrote, distinguishes their reasoning from later interpretation, and shows what you can actually do with it.
Foundations
The two ideas most of the rest of Stoic ethics builds on.
Concept
Dichotomy of Control
The Stoic distinction between what is "up to us" (our own judgments, intentions, and actions) and what is not (everything else), and the practical discipline of directing your effort at only the first kind.
Concept
Virtue
For the Stoics, virtue (excellence of character, expressed through wisdom, justice, courage, and temperance) is the one thing that is always good and always sufficient for a flourishing life.
Mind and Judgment
How the Stoics thought perception, belief, and reaction actually work.
Concept
Impressions and Assent
The Stoics distinguished an impression (the automatic first read of an event) from assent (your choice to endorse a judgment about it). The gap between the two is where Stoic practice happens.
Desire and Value
What is genuinely worth wanting, and how to want it without being ruled by it.
Concept
Preferred Indifferents
Things like health, wealth, and reputation are "indifferent" to Stoic ethics (neither good nor bad in themselves) but "preferred," worth a reasonable preference when a choice is otherwise open.
Concept
Desire
Stoic ethics treats desire and aversion, what you reach for and what you flee, as their own area of discipline, separate from judgment and action, and the source of frustration when you want something that was never fully up to you.
Emotions
The Stoic theory of feeling, and what it does and does not ask you to give up.
Concept
Stoic Emotions
The Stoics distinguished destructive passions, driven by faulty judgment, from the raw, involuntary feelings everyone has and even a few healthy emotional states a wise person can experience. Their target was the first category, not feeling in general.
Nature and Fate
The Stoic account of the wider order everything happens within.
Concept
Logos
The Logos is the rational, ordering principle the Stoics believed structures the entire universe. "Living according to nature," a central Stoic phrase, means living in agreement with it.
Concept
Amor Fati
Amor fati, Latin for "love of fate," is a phrase coined by the philosopher Nietzsche, not the ancient Stoics. But it names a real, well-attested Stoic attitude: wanting events to happen as they happen, rather than merely tolerating them.
Ethics and Society
How Stoic ethics extends outward, from your own character to your roles and other people.
Concept
Role Ethics
The Stoic view that a person occupies multiple roles at once (a shared human role plus specific personal ones like parent, citizen, or professional) and that ethical action means honoring all of them together.
Concept
Justice
Justice, one of the four cardinal virtues, held special weight in Stoic ethics because of oikeiosis, the idea that our natural concern for others widens outward from ourselves to, eventually, all of humanity.
New to Stoicism? What Is Stoicism? covers the whole picture in one page, and Start Here walks through a guided reading order. Minor terms that don't need a full page live in the Glossary.