Man has made many machines, complex and cunning, but which of them indeed rivals the workings of his heart?

The love of one's country is a splendid thing. But why should love stop at the border? There is a brotherhood among all men. This must be recognized if life is to remain. We must learn the love of man.

You must work, we must all work, to make the world worthy of its children.

I am an old man but in many senses a very young man. And this is what I want you to be, young, young all your life.

What do we teach our children? . . . We should say to each of them: Do you know what you are? You are a marvel. You are unique . . . You may become a Shakespeare, a Michelangelo, a Beethoven. You have the capacity for anything.

Music will save the world.

I do not think a day passes in my life in which I fail to look with fresh amazement at the miracle of nature.