What Is Stoicism, and Why Should a Vegan Care?

Day 1 of 30 — 30 Days of Stoicism series

There’s a moment most vegans recognise.

You’re at a dinner table, or in a comments section, or in the middle of a conversation that’s gone sideways, and someone says something that lands like a punch.

A joke,
a dismissal,
a deliberate provocation.

And you feel it: the heat rising, the urge to argue, the exhaustion of having to defend something you believe is simply right.

That moment, and what you do with it, is exactly what Stoicism was built for.

Stoicism is a school of philosophy founded in Athens around 300 BC by a merchant named Zeno of Citium.

After losing his cargo in a shipwreck, Zeno found himself in Athens with nothing.

He wandered into a bookshop, started reading Socrates, and became so captivated by philosophy that he sought out teachers and eventually founded his own school.

He taught in the Stoa Poikile, the Painted Porch, which gave the movement its name.

What distinguishes Stoicism from most ancient philosophy is its practicality.

It wasn’t designed for academics.

It was designed for people navigating real life, merchants, soldiers, politicians, slaves, people under pressure, facing loss, dealing with injustice.

The Stoics weren’t interested in abstract theorising for its own sake.

They wanted to know how to live well, especially when living well was hard.

Three figures define the tradition for most modern readers.

Epictetus was born a slave in the Roman Empire.

While he was studying Stoicism, he had no freedom, no property, no power over his own body.

Upon his freedom, he became one of the most influential philosophers of antiquity.

His central argument, developed from that position of profound powerlessness, was that the mind is the one thing no one can take from you.

Marcus Aurelius was the opposite:
Roman Emperor, the most powerful man in the known world.

He kept a private journal, never meant to be read, wrestling daily with the gap between his ideals and his behaviour.

That journal became the Meditations, one of the most honest books ever written about trying and failing to be a good person.

Seneca was a statesman, a playwright, and a wealthy man who knew his wealth made him a hypocrite by his own philosophical standards.

He said so in his letters.

That self-awareness is part of what makes him worth reading.

A slave, an emperor, and a senator.

All three, in very different circumstances, trying to answer the same question: what actually matters, and how do you hold onto it when everything around you is trying to pull you away from it?

That question is native to vegan life.

When you choose not to eat animals, not to wear them, not to use them, you’ve already made a decision that most of the people around you disagree with.

You’ve already staked out a position on what matters.

You’ve already decided that something deeper than social convention; something about ethics, about your own values, about the kind of person you want to be, outweighs the convenience of going along with the crowd.

The Stoics would recognise that move immediately.

They called it living according to your nature, which, for them, meant living according to reason and virtue rather than appetite, habit, or the approval of others.

This series isn’t about converting you to a 2,000-year-old philosophy.

It’s about spending 30 days with ideas that have helped people navigate exactly the kind of pressures you already face.

The pressure to conform, the grief of watching others cause harm you can’t stop, the question of how to act well in a world that often doesn’t reward it.

Each day for the next 30 days, we’ll work through one concept or one Stoic practice, from the foundational ideas all the way through to daily exercises you can carry into your actual life.

Some of it will feel familiar.

Some of it will push back on things you think you already believe.

Both are useful.

Zeno lost everything in a shipwreck and walked into a bookshop.

What he found there changed him, and through him, millions of people across twenty-three centuries.

The question for today is simple: what do you hope to find?

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Practice for today

Write one sentence, just one, about what you want Stoicism to give you.
Don’t think about it too long.
The honest answer is usually the first one.