The advantage of living is not measured by length, but by use; some men have lived long, and lived little; attend to it while you are in it. It lies in your will, not in the number of years, for you to have lived enough.

Opinion is a powerful party, bold, and without measure.

Wisdom is a solid and entire building, of which every piece keeps its place and bears its mark.

To philosophize is to learn to die.

Each person calls barbarism whatever is not his or her own practice.... We may call Cannibals barbarians, in respect to the rulesof reason, but not in respect to ourselves, who surpass them in every kind of barbarity.

Every one rushes elsewhere and into the future, because no one wants to face one's own inner self.

As great enmities spring from great friendships, and mortal distempers from vigorous health, so do the most surprising and the wildest frenzies from the high and lively agitations of our souls.