A person's heart withers if it does not answer another heart.

No one really understood music unless he was a scientist, her father had declared, and not just a scientist, either, oh, no, only the real ones, the theoreticians, whose language was mathematics. She had not understood mathematics until he had explained to her that it was the symbolic language of relationships. "And relationships," he had told her, "contained the essential meaning of life."

I feel no need for any other faith than my faith in human beings.

Every event has had its cause, and nothing, not the least wind that blows, is accident or causeless.

Only the brave should teach....Teaching is a vocation. It is as sacred as priesthood; as innate a desire, as inescapable as the genius which compels a great artist. If he has not the concern for humanity, the love of living creatures, the vision of the priest and the artist, he must not teach.

when the people of any country choose peace at all costs, not even generals can make war.

Fatalism is a false premise. What will be is not necessarily what must be.