Nobody is so constituted as to be able to live everywhere and anywhere; and he who has great duties to perform, which lay claim toall his strength, has, in this respect, a very limited choice. The influence of climate upon the bodily functionsextends so far, that a blunder in the choice of locality and climate is able not only to alienate a man from his actual duty, but also to withhold it from him altogether, so that he never even comes face to face with it.

A lack of the historical sense is the hereditary fault of all philosophers.

Man must become better and more evil.

Childhood and youth are ends in themselves, not stages.

Over immense periods of time the intellect produced nothing but errors. A few of these proved to be useful and helped to preserve the species: those who hit upon or inherited these had better luck in their struggle for themselves and their progeny. Such erroneous articles of faith... include the following: that there are things, substances, bodies; that a thing is what it appears to be; that our will is free; that what is good for me is also good in itself.

A man who has depths in his shame meets his destiny and his delicate decisions upon paths which few ever reach . . .

This is what is hardest: to close the open hand because one loves.