I have always loved solitude, a trait which tends to increase with age.

The Revolution introduced me to art, and in turn, art introduced me to the Revolution!

Science will stagnate if it is made to serve practical goals.

War cannot be humanized. It can only be abolished.

This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.

Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.

How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.