Every generation, no matter how paltry its character, thinks itself much wiser than the one immediately preceding it, let alone those that are more remote.

Sexual passion is the cause of war and the end of peace, the basis of what is serious... and consequently the concentration of all desire

A man's face as a rule says more, and more interesting things, than his mouth, for it is a compendium of everything his mouth will ever say, in that it is the monogram of all this man's thoughts and aspirations.

Most men are so thoroughly subjective that nothing really interests them but themselves.

First the truth is ridiculed. Then it meets outrage. Then it is said to have been obvious all along.

Pantheism is only a polite form of atheism.

Genius is an intellect that has become unfaithful to its destiny.