If you took only one idea from Stoicism and practiced it for the rest of your life, this would be the one. Epictetus put it at the very start of his handbook for a reason: nearly all suffering, he believed, comes from confusing what we control with what we don't.
Some things are within our power, while others are not. Within our power are opinion, motivation, desire, aversion — in short, whatever is of our own doing.
— Epictetus, Enchiridion
Drawing the line
Up to you: your effort, your attention, your response, your values. Not up to you: the outcome, the weather, the economy, other people's opinions, the past. Most anxiety is energy poured into the second column. Move that energy into the first, and something remarkable happens — you become both calmer and more effective.
Practicing it
- When worry strikes, ask: is this actually up to me? Sort it honestly.
- For what's yours, act — do the next right thing well.
- For what isn't, practice release: you can prefer an outcome without depending on it.
- Notice how often the answer is 'not up to me' — and how much lighter that makes the load.
The Stoic Hypnotist