Wisdom comes by disillusionment.

The strongest feelings assigned to the conscience are not moral feelings at all; they express merely physical antipathies.

Religions are the great fairy tales of conscience.

Religion is the love of life in the consciousness of impotence.

The tendency to gather and to breed philosophers in universities does not belong to ages of free and humane reflection: it is scholastic and proper to the Middle Ages and to Germany.

There must ... be in our very nature a very radical and widespread tendency to observe beauty, and to value it. No account of the principles of the mind can be at all adequate that passes over so conspicuous a faculty.

Ideal society is a drama enacted exclusively in the imagination.