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!

In all institutions from which the cold wind of open criticism is excluded, an innocent corruption begins to grow like a mushroom - for example, in senates and learned societies

If married couples did not live together, happy marriages would be more frequent.

To blaspheme the earth is now the most dreadful sin, and to rate the heart of the unknowable higher than the meaning of the earth!

When a man is ill his very goodness is sickly.

Warfare is the father of all good things, it is also the father of good prose!

A certain sense of cruelty towards oneself and others is Christian; hatred of those who think differently; the will to persecute. Mortal hostility against the masters of the earth, against the 'noble', that is also Christian; hatred of mind, of pride, courage, freedom, libertinage of mind, is Christian; hatred of the senses, of joy in general, is Christian.