The most fundamental form of human stupidity is forgetting what we were trying to do in the first place.

Subordination to morality can be slavish or vain or self- interested or resigned or gloomily enthusiastic or thoughtless or an act of despair, just as subordination to a prince can be: in itself it is nothing moral.

Morality makes stupid.- Custom represents the experiences of men of earlier times as to what they supposed useful and harmful - but the sense for custom (morality) applies, not to these experiences as such, but to the age, the sanctity, the indiscussability of the custom. And so this feeling is a hindrance to the acquisition of new experiences and the correction of customs: that is to say, morality is a hindrance to the development of new and better customs: it makes stupid.

There are the terrible ones who carry about in themselves the beast of prey, and have no choice except lusts or self-laceration. And even their lusts are self-laceration.

It is not enough to prove something, one also has to seduce or elevate people to it. That is why the man of knowledge should learns how to speak his wisdom: and often in such a way that it sounds like folly!

The value of many men and books rests solely on their faculty for compelling all to seek out the most hidden and intimate things.

The real world is much smaller than the imaginary