Better know nothing than half-know many things.

I am affected, not because you have deceived me, but because I can no longer believe in you.

All idealism is falsehood in the face of necessity.

There is a great ladder of religious cruelty, and, of its many rungs, three are the most important. People used to make human sacrifices to their god, perhaps even sacrificing those they loved the best ... Then, during the moral epoch of humanity, people sacrificed the strongest instincts they had, their 'nature,' to their god... Finally: what was left to be sacrificed? ... Didn't people have to sacrifice God himself and worship rocks, stupidity, gravity, fate, or nothingness out of sheer cruelty to themselves?

It seems to me that to take a book of mine into his hands is one of the rarest distinctions that anyone can confer upon himself. I even assume that he removes his shoes when he does so-not to speak of boots.

There is always some madness in love. But there is also always some reason in madness.

Another Christian concept, no less crazy, has passed even more deeply into the tissue of modernity: the concept of the 'equality of souls before God.' This concept furnishes the prototype of all theories of equal rights.