Over immense periods of time the intellect produced nothing but errors. A few of these proved to be useful and helped to preserve the species: those who hit upon or inherited these had better luck in their struggle for themselves and their progeny. Such erroneous articles of faith... include the following: that there are things, substances, bodies; that a thing is what it appears to be; that our will is free; that what is good for me is also good in itself.

We have to be careful that in throwing out the devil, we don't throw out the best part of ourselves.

Deep is the well of truth and long does it take to know what has fallen into its depths.

Curiosity creeps into the houses of the unfortunate and the needy under the name of duty or of pity.

What makes us heroic?--Confronting simultaneously our supreme suffering and our supreme hope.

The overman...Who has organized the chaos of his passions, given style to his character, and become creative. Aware of life's terrors, he affirms life without resentment.

The view that honesty is something, and even a virtue, belongs, it is true, to those private opinions which are forbidden in this age of public opinions.