Someone who does not write books, who thinks a lot, and who lives in unsatisfying society will usually be a good letter- writer.

Men should learn to live with the same seriousness with which children play.

You who hate the Jews so, why did you adopt their religion?

To explore the whole sphere of the modern soul, to have sat in every nook- my ambition, my torture, and my happiness

What is the vanity of the vainest man compared with the vanity which the most modest possesses when, in the midst of nature and the world, he feels himself to be man!

Anyone who has looked deeply into the world may guess how much wisdom lies in the superficiality of men. The instinct that preserves them teaches them to be flighty light, and false.

Those that achieve anything that looks beyond the vision and thinking of their peers provoke jealousy and hatred disguised as the ordinary.