Stoicism vs Existentialism, Two Ways to Face a Hard World

Stoicism and existentialism both ask how to live in a difficult, uncertain world, and both put your choices at the center. But they start from opposite views of the universe. The Stoic sees a world ordered by reason with meaning built in. The existentialist sees a world where you must create meaning yourself.

Two thousand years separate these schools, yet they keep ending up in the same conversation.

One is ancient, Greek and Roman, calm and cosmic. The other is modern, born in the smoke of the last two centuries, restless and free. They reach some of the same practical conclusions about courage and responsibility, but they get there from opposite ends of the universe. Let me line them up.

What is existentialism?

Existentialism is a modern movement, shaped by thinkers like Kierkegaard, Nietzsche, Sartre, and Camus, that starts from a stark idea. The universe hands you no instructions.

There is no built in meaning, no cosmic plan telling you what your life is for. You are simply here, free and responsible, and you must make your own meaning through the choices you commit to. With that freedom comes a kind of anxiety, the weight of knowing that no one and nothing will decide for you. Living well, for the existentialist, means facing that freedom honestly instead of hiding from it.

What the Stoics saw instead

The Stoics looked at the same sky and saw the opposite. Where the existentialist sees a blank, the Stoic sees an order.

For the Stoics the universe is rational, governed by a principle they called the logos, and everything unfolds as part of a connected whole. Meaning is not something you invent against a void. It is something you discover by understanding your place in nature and living in agreement with it.

“The happiness of your life depends upon the quality of your thoughts.”
Marcus Aurelius, Meditations

So the Stoic and the existentialist both end up talking about how you think and choose, but the Stoic believes he is tuning himself to a reason already there, not composing one from nothing.

Where they actually agree

For two schools that disagree about the cosmos, they shake hands on a surprising amount. Both are philosophies of action.

Both insist you are responsible for your responses and cannot blame the world for your inner life. Both take death seriously as a thing that sharpens how you live, the existentialist through facing your own end, the Stoic through memento mori. And both prize a hard kind of authenticity, living by what you actually believe rather than by habit or crowd.

“You have power over your mind — not outside events. Realize this, and you will find strength.”
Marcus Aurelius, Meditations

Where they part

The split comes down to one word, meaning. Is it found or made?

The Stoic finds it. Live according to reason and nature, and you are aligning yourself with an order that was always there. The existentialist makes it. There is no given order, so you forge your values through free commitment and own them completely. From this flows a difference in mood, too. Stoicism tends toward acceptance and serenity, a trust in the whole. Existentialism tends toward freedom and tension, the bracing solitude of being the author of your own life.

Which one speaks to you?

It depends on what you feel when you look up at the stars. Comfort, or vertigo.

If you sense an order you want to live in harmony with, Stoicism will feel like home, and it comes with a ready set of practices for doing it. If you feel the universe is silent and the meaning is yours to build, existentialism takes that seriously without flinching. Plenty of modern readers borrow from both, the Stoic’s steadiness and the existentialist’s fierce ownership of choice. To go deeper on the Stoic side, see what Stoicism is, amor fati, and the dichotomy of control.

Frequently asked questions

What is the main difference between Stoicism and existentialism?
They disagree about meaning. Stoicism holds that the universe is rationally ordered and that meaning is discovered by living in agreement with nature. Existentialism holds that the universe has no built in meaning and that each person must create their own through free, responsible choices.

Do Stoicism and existentialism have anything in common?
Yes, quite a lot in practice. Both make you responsible for your own responses, both treat confronting death as a way to live more fully, and both value authenticity over conformity. They reach similar advice about courage and ownership despite starting from very different views of the cosmos.

Is Stoicism more optimistic than existentialism?
In tone, often yes. Stoicism trusts that the universe is ordered and tends toward acceptance and serenity. Existentialism emphasizes radical freedom in a universe without given meaning, which can feel heavier and more solitary. Neither is naive, but the Stoic starts from trust and the existentialist from open uncertainty.

Can you be both a Stoic and an existentialist?
Many people blend them, even though their metaphysics differ. You might take the Stoic’s daily practices and calm acceptance while keeping the existentialist’s insistence that you own your choices and define your values. The mix works in practice as long as you are comfortable holding the deeper questions about meaning loosely.