There are souls which, crab-like, crawl continually toward darkness, going back in life rather than advancing in it, using what experience they have to increase their deformity, growing worse without ceasing, and becoming steeped more and more thoroughly in an intensifying wickedness.

Loving is half of believing.

In the opera we call love, the libretto is almost nothing.

The need of the immaterial is the most deeply rooted of all needs. One must have bread; but before bread, one must have the ideal.

He caught her, she fell, he caught her in his arms, he held her tightly unconscious of what he was doing. He held her up, though tottering himself. He felt as if his head were filled with smoke; flashes of light slipped through his eyelids; his thoughts vanished; it seemed to him that he was performing a religious act, and that he was committing a profanation. Moreover, he did not feel one passionate desire for this ravishing woman, whose form he felt against his heart. He was lost in love.

Nothing is more dangerous than to stop working. It is a habit that can soon be lost, one that is easily neglected and hard to resume. A measure of day-dreaming is a good thing, like a drug prudently used ... But too much submerges and drowns. Woe to the intellectual worker who allows himself to lapse wholly from positive thinking into day-dreaming. He thinks he can easily change back, and tells himself that it is all one. He is wrong! To substitute day-dreaming for thought is to confuse poison with a source of nourishment.

Poetry contains philosophy as the soul contains reason.