Work is often the father of pleasure.

Thought depends absolutely on the stomach, but in spite of that, those who have the best stomachs are not the best thinkers.

It is better to risk saving a guilty man than to condemn an innocent one.

Whatever you do, trample down abuses, and love those who love you. Different translation: Whatever you do, crush the infamous thing superstition, and love those who love you.

I believe that there never was a creator of a philosophical system who did not confess at the end of his life that he had wasted his time. It must be admitted that the inventors of the mechanical arts have been much more useful to men that the inventors of syllogisms. He who imagined a ship towers considerably above him who imagined innate ideas.

In France every man is either an anvil or a hammer; he is a beater or must be beaten.

The monster, fanaticism, still exists, and whoever seeks after truth will run the risk of being persecuted.