The utility of living consists not in the length of days, but in the use of time; a man may have lived long, and yet lived but a little.

A man has need of tough ears to hear himself fairly judged.

Since philosophy is the art which teaches us how to live, and since children need to learn it as much as we do at other ages, why do we not instruct them in it?

It is a thorny undertaking, and more so than it seems, to follow a movement so wandering as that of our mind, to penetrate the opaque depths of its innermost folds, to pick out and immobilize the innumerable flutterings that agitate it.

The thing in the world I am most afraid of is fear.

Desire and hope will push us on toward the future.

We do not correct the man we hang; we correct others by him.