The serious people who took him seriously never felt quite sure of his deportment; they were somehow aware that trusting their reputations for judgment with him was like furnishing a nursery with egg-shell china.

Let us get together with other people of our sort and make over the world into a great world-civilization that will enable us to realize the promises and avoid the dangers of this new time.

Face this world. Learn its ways, watch it, be careful of too hasty guesses at its meaning. In the end you will find clues to it all.

Ignorance is not an extension of time

Biologists can be just as sensitive to heresy as theologians.

A downtrodden class... will never be able to make an effective protest until it achieves solidarity.

Endless conflicts. Endless misunderstanding. All life is that. Great and little cannot understand one another.