Crude men who feel themselves insulted tend to assess the degree of insult as high as possible, and talk about the offense in greatly exaggerated language, only so they can revel to their heart's content in the aroused feelings of hatred and revenge.

All philosophers make the common mistake of taking contemporary man as their starting point and of trying, through an analysis of him, to[21] reach a conclusion. "Man" involuntarily presents himself to them as an aeterna veritas as a passive element in every hurly-burly, as a fixed standard of things. Yet everything uttered by the philosopher on the subject of man is, in the last resort, nothing more than a piece of testimony concerning man during a very limited period of time.

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.

Verily, a polluted stream is man. One must actually be a sea to take in a polluted stream without becoming impure. Behold, I teach you the superman: he is the this sea, in him can your great contempt go under.

In almost all sciences the fundamental knowledge is either found in earliest times or is still being sought.

The craving for equality can express itself either as a desire to pull everyone down to our own level (by belittling them, excluding them, tripping them up) or as a desire to raise ourselves up along with everyone else (by acknowledging them, helping them, and rejoicing in their success).

And I offer you this parable: Not a few who sought to cast out their devil entered into the swine themselves.