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

There can be no sexual love without lust; but, on the other hand, until the currents of lust in the organism have been irradiatedas to affect other parts of the psychic organism--at the least the affections and the social feelings--it is not yet sexual love. Lust, the specific sexual impulse, is indeed the primary and essential element in this synthesis, for it alone is adequate to the end of reproduction, not only in animals but in men. But it is not until lust is expanded and irradiated that it develops into the exquisite and enthralling flower of love.

Jealousy, that dragon which slays love under the pretence of keeping it alive.

Men who know themselves are no longer fools. They stand on the threshold of the door of Wisdom.

For every fresh stage in our lives we need a fresh education, and there is no stage for which so little educational preparation is made as that which follows the reproductive period.

The parents have not only to train their children: it is of at least equal importance that they should train themselves.

The sanitary and mechanical age we are now entering makes up for the mercy it grants to our sense of smell by the ferocity with which it assails our sense of hearing.