I believe in courtesy, the ritual by which we avoid hurting other people's feelings by satisfying our own egos.

Conventional nudes based on classical originals could bear no burden of thought or inner life without losing their formal completeness.

The Cathedrals were built to the glory of God; New York was built to the glory of Mammon.

The difference between what we see and a sheet of white paper with a few thin lines on it is very great. Yet this abstraction is one which we seem to have adopted almost instinctively at an early stage in our development, not only in Neolithic graffiti but in early Egyptian drawings. And in spite of its abstract character, the outline is responsive to the least tremor of sensibility.

We can destroy ourselves by cynicism and disillusion, just as effectively as by bombs.

Racial prejudices are indication of a disturbed and potentially unstable society.

In time of war all countries behave equally badly, because the power of action is handed over to stupid and obstinate men.