Men should learn to live with the same seriousness with which children play.

Truth is a mobile army of metaphors, metonyms, anthropomorphisms, in short a sum of human relations which have been subjected to poetic and rhetorical intensification, translation and decoration […]; truths are illusions of which we have forgotten that they are illusions, metaphors which have become worn by frequent use and have lost all sensuous vigour […]. Yet we still do not know where the drive to truth comes from, for so far we have only heard about the obligation to be truthful which society imposes in order to exist" from, "On Truth and Lying in a Non-Moral Sense".

What is done out of love always occurs beyond good and evil.

The task is not to overcome opponents in general but only those opponents against whom one has to summon all one's strength, one's skill and one's swordsmanship-in fact to master opponents who are one's equals.

Nothing seems to me to be rarer today then genuine hypocrisy. I greatly suspect that this plant finds the mild atmosphere of our culture unendurable. Hypocrisy has its place in the ages of strong belief: in which even when one is compelled to exhibit a different belief one does not abandon the belief one already has.

If you know the why, you can live any how.

Evolution does not make happiness its goal; it aims simply at evolution and nothing else.