We ought to fear a man who hates himself, for we are at risk of becoming victims of his anger and revenge. Let us then try to lure him into self-love.

Only individuals have a sense of responsibility.

Mystical explanations are thought to be deep; the truth is that they are not even shallow.

A little poison now and then: that makes for pleasant dreams. And a lot of poison at the end, for a pleasant death.

Prejudice of the learned. - The learned judge correctly that people of all ages have believed they know what is good and evil, praise- and blameworthy. But it is a prejudice of the learned that we now know better than any other age.

The question of place and climate is most closely related to the question of nutrition. Nobody is free to live everywhere; and whoever has to solve great problems that challenge all his strength actually has a very restricted choice in this matter. The influence of climate on our metabolism, its retardation, its acceleration, goes so far that a mistaken choice of place and climate can not only estrange a man from his task but can actually keep it from him: he never gets to see it.

The noble type of man feels himself to be the determiner of values, he does not need to be approved of, he judges 'what harms me is harmful in itself', he knows himself to be that which in general accords honour to things, he creates values.