Virtues are dangerous as vices insofar as they are allowed to rule over one as authorities and not as qualities one develops oneself.

There are two different types of people in the world, those who want to know, and those who want to believe.

Do you call yourself Free? It is your ruling thought that I would hear, and not that you have escaped from a yoke.

Children from humble families must be taught how to command just as other children must be taught how to obey.

In the end one only experiences oneself.

I devote myself to what I love the most, and for this very reason I hesitate to designate it with lofty words: I do not want to risk believing that it is a sublime compulsion, a law, which I obey: I love what I love the most too much to wish to appear to it as one compelled.

He who is not a bird should not build his nest over abysses.