No universal selfishness can bring social good to all.

What do nations care about the cost of war, if by spending a few hundred millions in steel and gunpowder they can gain a thousand millions in diamonds and cocoa?

But art is not simply works of art; it is the spirit that knows Beauty, that has music in its soul and the color of sunsets in its headkerchiefs; that can dance on a flaming world and make the world dance, too.

The worker must work for the glory of his handiwork, not simply for pay; the thinker must think for truth, not for fame.

There is but one coward on earth, and that is the coward that dare not know.

Between me and the other world there is ever an unasked question: unasked by some through feelings of delicacy; by others through the difficulty of rightly framing it. All, nevertheless, flutter round it. How does it feel to be a problem?

A man does not look behind the door unless he has stood there himself