Men will always be mad, and those who think they can cure them are the maddest of all.

Anyone who seeks to destroy the passions instead of controlling them is trying to play the angel.

When he to whom one speaks does not understand, and he who speaks himself does not understand, that is Metaphysics.

It is as impossible to translate poetry as it is to translate music.

Minds differ still more than faces.

Je ne suis pas d'accord avec ce que vous dites, mais je d‚fendrai jusqu'... la mort le droit que vous avez de le dire/ I do not agree with what you have to say, but I'll defend to the death your right to say it

Society therefore is an ancient as the world.