"The value of a man is not measured by what he has, but by what he is."

"Man is at bottom a savage, horrible beast. We know it, if we look at the origin of society."

"The world is a stage on which a tragedy is performed, and the actors are all madmen."

"Life is a constant process of dying."

"Buying books would be a good thing if one could also buy the time to read them in: but as a rule the purchase of books is mistaken for the appropriation of their contents."