What we call 'morals' is simply blind obedience to words of command.

Birth-control is effecting, and promising to effect, many functions in our social life.

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.

There has never been any country at every moment so virtuous and so wise that it has not sometimes needed to be saved from itself.

Those persons who are burning to display heroism may rest assured that the course of social evolution will offer them every opportunity.

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

The greatest task before civilization at present is to make machines what they ought to be, the slaves, instead of the masters of men.