The Greeks possessed a knowledge of human nature we seem hardly able to attain to without passing through the strengthening hibernation of a new barbarism. 1.5K
What is called an acute knowledge of human nature is mostly nothing but the observer’s own weaknesses reflected back from others. 477
Much can be inferred about a man from his mistress: in her one beholds his weaknesses and his dreams. 451
We cannot remember too often that when we observe nature, and especially the ordering of nature, it is always ourselves alone we are observing. 446
It is almost everywhere the case that soon after it is begotten the greater part of human wisdom is laid to rest in repositories. 575
We have no words for speaking of wisdom to the stupid. He who understands the wise is wise already. 416