There is an astonishing imagination, even in the science of mathematics.

Quand celui à qui l'on parle ne comprend pas et celui qui parle ne se comprend pas, c'est de la métaphysique When he to whom a person speaks does not understand, and he who speaks does not understand himself, that is metaphysics.

Change everything except your loves.

For seventeen hundred years the Christian sect has done nothing but harm.

Let us work without theorizing, tis the only way to make life endurable.

All the citizens of a state cannot be equally powerful, but they may be equally free

If there’s life on other planets, then the earth is the Universe’s insane asylum.