The philosopher: he alone knows how to live for himself. He is the one, in fact, who knows the fundamental thing: how to live.

While you teach, you learn.

Freedom is not being a slave to any circumstance, to any constraint, to any chance; it means compelling Fortune to enter the lists on equal terms.

Learn how to feel joy.

What difference does it make how much you have? What you do not have amounts to much more.

That moderation which nature prescribes, which limits our desires by resources restricted to our needs, has abandoned the field; it has now come to this -- that to want only what is enough is a sign both of boorishness and of utter destitution.

It is the constant fault and inseparable evil quality of ambition, that it never looks behind it.