Men have hitherto treated women like birds which have strayed down to them from the heights; as something more delicate, more fragile, more savage, stranger, sweeter, soulful--but as something which has to be caged up so that it shall not fly away.
Science is about finding ever better approximations rather than pretending you have already found ultimate truth.
A casual stroll through the lunatic asylum shows that faith does not prove anything.
On all the walls, wherever walls exist, I will inscribe this eternal indictment of Christianity--I have letters to make even blindmen see.... I call Christianity the single great curse, the single great innermost depravity, the single great instinct of revenge, for which no means is poisonous, secretive, subterranean, small enough--I call it mankind's single immortal blemish.... And we reckon time from the dies nefastus with which this calamity arose--following Christianity's first day!--Why not following its last day, instead?--Following today?--Transvaluation of all values!
When one has finished building one's house, one suddenly realizes that in the process one has learned something that one really needed to know in the worst way - before one began.
The Refinement of Shame. People are not ashamed to think something foul, but they are ashamed when they think these foul thoughts are attributed to them.
For what purpose humanity is there should not even concern us: why you are here, that you should ask yourself: and if you have no ready answer, then set for yourself goals, high and noble goals, and perish in pursuit of them!
A good aphorism is too hard for the tooth of time, and is not worn away by all the centuries, although it serves as food for every epoch. Hence it is the greatest paradox in literature, the imperishable in the midst of change, the nourishment which always remains highly valued, as salt does, and never becomes stupid like salt.