Ancient Greece · ~300 BC – 200 AD

Hellenism

Their big question

How can I find peace and happiness?

After the great Greek thinkers, philosophy turned practical: how can I live a happy, peaceful life? The Stoics said stay calm and accept what you can't control. The Epicureans said enjoy simple pleasures and avoid pain. The Cynics said ignore money and status and live simply — one of them, Diogenes, lived in a barrel!

It's not what happens to you, but how you react to it that matters.

Epictetus, Stoic philosopher

The big idea

After Alexander's conquests mixed Greek culture across a huge empire, philosophy asked: how do I find peace in a chaotic world? The Stoics said focus only on what you can control. The Epicureans sought happiness through simple pleasures and freedom from fear. The Cynics rejected wealth and status entirely.

Why it matters

These schools created the world's first practical ‘self-help’ philosophies, and Stoicism in particular shaped Roman ethics and even modern cognitive therapy. Their advice — control your reactions, want less, fear death less — is hugely popular again today.

The big argument

Critics say Stoic ‘acceptance’ can slide into passively tolerating injustice, and that Epicurus's focus on avoiding pain was wrongly twisted into ‘eat, drink, and be merry’ (he actually preached moderation).

In their own words

  • He who is not satisfied with a little is satisfied with nothing.Epicurus
  • You have power over your mind — not outside events. Realize this, and you will find strength.Marcus Aurelius, Stoic emperor

🤯 Fun fact

When Alexander the Great offered to grant any wish, the philosopher Diogenes just said: ‘Stand out of my sunlight.’

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