There is more wisdom in your body than in your deepest philosophy.

Man, a hybrid of plant and ghost.

Do not paint a picture either of God or the devil on your walls: this will ruin both your walls and the atmosphere.

It is not when truth is dirty, but when it is shallow, that the lover of knowledge is reluctant to step into its waters.

He who has a why to live can bear almost any how.

To escape boredom, man works either beyond what his usual needs require, or else he invents play, that is, work that is designed to quiet no need other than that for working in general.

The mother of excess is not joy but joylessness.