The aesthetic pleasure of dance is a secondary reflection of the primary, vital joy of courtship.

There is a very intimate connection between hypnotic phenomena and religion.

One can know nothing of giving aught that is worthy to give unless one also knows how to take.

There is nothing more fragile than civilization.

Dancing is the loftiest, the most moving, the most beautiful of the arts, because it is no mere translation or abstraction from life; it is life itself.

Of woman as a real human being, with sexual needs and sexual responsibilities, morality has often known nothing.

The prevalence of suicide, without doubt, is a test of height in civilization; it means that the population is winding up its nervous and intellectual system to the utmost point of tension and that sometimes it snaps.