If you wish to obtain a great name or to found an establishment, be completely mad; but be sure that your madness corresponds with the turn and temper of your age.

The instinct of a man is to pursue everything that flies from him, and to fly from all that pursue him.

I read only to please myself, and enjoy only what suits my taste.

All is a miracle. The stupendous order of nature, the revolution of a hundred millions of worlds around a million of stars, the activity of light, the life of all animals, all are grand and perpetual miracles.

Love truth, and pardon error.

A witty saying proves nothing.

Shun idleness. It is rust that attaches itself to the most brilliant metals.