The only truths which are universal are those gross enough to be thought so.

A man who is 'of sound mind' is one who keeps the inner madman under lock and key.

It is a law of nature that we defend ourselves from one affection only by means of another.

A limited vocabulary, but one with which you can make numerous combinations, is better than thirty thousand words that only hamper the action of the mind.

The best way to make your dreams come true is to wake up.

Order always weighs on the individual. Disorder makes him wish for the police or for death. These are two extreme circumstances in which human nature is not at ease.

What is simple is false and what is not is useless.