To have and to want more that is life.

To recognize untruth as a condition of life--that certainly means resisting accustomed value feelings in a dangerous way; and a philosophy that risks this would by that token alone place itself beyond good and evil.

One who has a why can endure anyhow.

In song and dance, man forgets how to walk and speak and is on the way into flying into the air, dancing... his very gestures express enchantment.

To the mediocre, mediocrity is a form of happiness.

The most perfidious way of harming a cause consists of defending it deliberately with faulty arguments.

Ultimately, no one can extract from things, books included, more than he already knows.