Nothing else but an insatiate thirst of enjoying a greedily desired object.

Everyone gives the title of barbarism to everything that is not in use in his own country.

Cowardice is the mother of cruelty.

The honor of the conquest is rated by the difficulty.

I honor most those to whom I show least honor; and where my soul moves with great alacrity, I forget the proper steps of ceremony.

I see several animals that live so entire and perfect a life, some without sight, others without hearing: who knows whether to us also one, two, or three, or many other senses, may not be wanting?

Que sçais-je?" (What do I know?)