The real duty of man is not to extend his power or multiply his wealth beyond his needs, but to enrich and enjoy his imperishable possession: his soul.

A good teacher is a determined person

History is a strange experience. The world is quite small now; but history is large and deep. Sometimes you can go much farther by sitting in your own home and reading a book of history, than by getting onto a ship or an airplane and traveling a thousand miles.

The young do not demand omniscience. They know it is unattainable. They do demand sincerity.

The aim of those who try to control thought is always the same. They find one single explanation of the world, one system of thought and action that will (they believe) cover everything; and then they try to impose that on all thinking people.

The Sonnets of Shakespeare have the fascination of an autobiography, without its clarity. It is like reading an important document in a cave by the light of matches which keep blowing out.

If you do not actually like boys and girls, or young men and young women, give up teaching.