A moral system valid for all is basically immoral.

Their usual mistaken premise is that they affirm some consensus among people, at least among tame peoples, concerning certain moral principles, and then conclude that these principles must be unconditionally binding also for you and me-or conversely, they see that among different peoples moral valuations are necessarily different and infer from this that no morality is binding-both of which are equally childish.

Women's modesty generally increases with their beauty.

In a seriously intended intellectual emancipation a person's mute passions and cravings also hope to find their advantage.

My idea of paradise is a straight line to goal

When you look into an abyss, the abyss also looks into you.

Man is at his furthest remove from the animal as a child, his intellect most human. With his fifteenth year and puberty he comes astep closer to the animal; with the sense of possessions of his thirties (the median line between laziness and greediness), still another step. In his sixtieth year of life he frequently loses his modesty as well, then the septuagenarian steps up to us as a completely unmasked beast: one need only look at the eyes and the teeth.