"To think is to confine yourself to a single thought that one day stands still like a star in the world's sky."

Life is not fair; get used to it.

"History is not just about the past; it's about the present and the future too."

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.