If you are to be kept right, you must possess either good friends or red-hot enemies. The one will warn you, the other will expose you.

Even if I am but a pretender to wisdom, that in itself is philosophy.

Calumny is only the noise of madmen.

We have two ears and one tongue so that we would listen more and talk less.

By worrying as little as possible about fame.

I like best the wine drunk at the cost of others.

When I look upon seamen, men of science and philosophers, man is the wisest of all beings; when I look upon priests and prophets nothing is as contemptible as man.