Everyone thinks that the principal thing to the tree is the fruit, but in point of fact the principal thing to it is the seed.

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.

How poisonous, how crafty, how bad, does every long war make one, which cannot be waged openly by means of force!

The happiness of man is: I will. The happiness of woman is: he wills. 'Behold , just now the world ... entire love. And woman must obey and find a depth for her surface. Surface is the disposition of woman: a mobile, stormy film over shallow water. Man's disposition, however, is deep; his river roars in subterranean caves: woman feels his strength but does not comprehend it.

It is an end with priests and gods, if man becomes scientific. Moral: science is the thing forbidden in itself - it alone is forbidden. Science is the first sin, the germ of all sin, original sin. This alones is mortality: Thou shalt not know.

There are few pains so grievous as to have seen, divined, or experienced how an exceptional man has missed his way and deteriorated

Many a one cannot loosen his own fetters, but is nevertheless his friend's emancipator.