If a woman possesses manly virtues, she is to be run away from; and if she does not possess them, she runs away herself.

Logic, too, also rests on assumptions that do not correspond to anything in the real world, e.g., on the assumption that there areequal things, that the same thing is identical at different points in time: but this science arose as a result of the opposite belief (that such things actually exist in the real world). And it is the same with mathematics, which would certainly never have arisen if it had been understood from the beginning that there is no such thing in nature as a perfectly straight line, a true circle, and absolute measure.

Youth is an unpleasant period; for then it is not possible or not prudent to be productive in any sense whatsoever.

It says nothing against the ripeness of a spirit that it has a few worms.

In every form of womanly love something of motherly love also comes to light.

All mankind is divided, as it was at all times and is still, into slaves and freemen.

All that the world most needs today, is combined in the most seductive manner in his art, — the three great stimulants of exhausted people: brutality, artificiality and innocence (idiocy).