If God created us in his own image, we have more than reciprocated.

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.

Life is thickly sown with thorns. I know no other remedy than to pass rapidly over them. The longer we dwell on our misfortunes the greater is their power to harm us.

The superfluous, a very necessary thing.

Doubt is not a pleasant condition, but certainty is absurd.

Great men have all been formed either before academies or independent of them.

The world embarrasses me, and I cannot dream that this watch exists and has no watchmaker.