Socialism also brings us up against the hard rock of eugenic fact which, if we neglect it, will dash our most beautiful social construction to fragments.

To live remains an art which everyone must learn, and which no one can teach.

Sexual pleasure, wisely used and not abused, may prove the stimulus and liberator of our finest and most exalted activities.

We cannot be sure that we ought not to regard the most criminal country as that which in some aspects possesses the highest civilization.

Every man of genius sees the world at a different angle from his fellows, and there is his tragedy.

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.

A sublime faith in human imbecility has seldom led those who cherish it astray.