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.

The conflict of forces and the struggle of opposing wills are of the essence of our universe and alone hold it together.

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

The place where optimism most flourishes is the lunatic asylum.

There is nothing more fragile than civilization.

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.

Failing to find in women exactly the same kind of sexual emotions, as they find in themselves, men have concluded that there are none there at all.