In every work of genius we recognize our own rejected thoughts: they come back to us with a certain alienated majesty.

Men imagine that they communicate their virtue or vice only by overt actions, and do not see that virtue or vice emit a breath every moment.

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

I know that I am intelligent, because I know that I know nothing.

By all means marry; if you get a good wife you'll become happy; if you get a bad one you'll become a philosopher.

He is richest who is content with the least, for content is the wealth of nature.

Know thyself.

A light has dawned for me: I need companions, living ones, not dead companions and corpses which I carry with me wherever I wish. But I need living companions who follow me because they want to follow themselves— and who want to go where I want to go.