Thinking evil is making evil.

Style ought to prove that one believes in an idea; not only that one thinks it but also feels it.

The magnitude of a progress is gauged by the greatness of the sacrifice that it requires.

When a hundred men stand together, each of them loses his mind and gets another one.

Can an ass be tragic?--To perish under a burden that one can neither bear nor cast off? The case of the philosopher.

The hour when you say, "What does my happiness matter? It is poverty and filth, and a wretched complacency. Yet my happiness should justify existence itself!

It is impossible to suffer without making someone pay for it; every complaint already contains revenge.