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

The world was conquered through the understanding of dogs; the world exists through the understanding of dogs.

Whenever the strength of a belief strongly steps into the foreground, we must infer a certain weakness of demonstrability and the improbability of that belief.

My formula for happiness: a Yes, a No, a straight line, a goal.

How much rationality and higher protection there is in such self-deception, and how much falseness I still require in order to allow myself again and again the luxury of my sincerity.

Never to talk about oneself is a very refined form of hypocrisy.

We have art in order not to die of the truth.