There are no moral phenomena at all, but only a moral interpretation of phenomena.

Mathematics would certainly have not come into existence if one had known from the beginning that there was in nature no exactly straight line, no actual circle, no absolute magnitude.

The perfect woman is a higher type of humanity than the perfect man, and also something much rarer. The natural history of animals furnishes grounds in support of this theory.

Out of love, women become entirely what it is that they are in the imaginations of the men who love them.

Out of a brotherly love we occasionally embrace this or that somebody (because we cannot embrace everybody): but we must never letour somebody know it.

Disobedience- that is the nobility of slaves.

Every relationship that does not raise us up pulls us down, and vice versa; this is why men usually sink down somewhat when they take wives while women are usually somewhat raised up. Overly spiritual men require marriage every bit as much as they resist it as bitter medicine.