“It is only shallow people who do not judge by appearances.”

Experience is merely the name men gave to their mistakes.

The only excuse for making a useless thing is that one admires it intensely.

There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.

An idea that is not dangerous is unworthy of being called an idea at all.

The only way to get rid of a temptation is to yield to it.

To live is the rarest thing in the world. Most people exist, that is all.

True friends stab you in the front.