That which needs to be proved cannot be worth much.

I'm not upset that you lied to me, I'm upset that from now on I can't believe you.

The radical hostility, the deadly hostility against sensuality, is always a symptom to reflect on: it entitles us to suppositions concerning the total state of one who is excessive in this manner.

Three metamorphoses of the spirit I relate to you: how the spirit becomes a camel; and the camel, a lion; and the lion, finally, a child.

And you tell me, friends, that there is no disputing taste and tasting? But all life is a dispute over taste and tasting!

We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.

Books for all the world are always foul-smelling books: the smell of small people clings to them.