He who wishes to teach us a truth should not tell it to us, but simply suggest it with a brief gesture, a gesture which starts an ideal trajectory in the air along which we glide until we find ourselves at the feet of the new."

The metaphor is probably the most fertile power possessed by man.

"We live at a time when man believes himself fabulously capable of creation, but he does not know what to create."

Effort is only effort when it begins to hurt.

"The characteristic of the hour is that the commonplace mind, knowing itself to be commonplace, has the assurance to proclaim the rights of the commonplace and to impose them wherever it will."