Courtship, properly understood, is the process whereby both the male and the female are brought into that state of sexual tumescence which is a more or less necessary condition for sexual intercourse. The play of courtship cannot, therefore, be considered to be definitely brought to an end by the ceremony of marriage; it may more properly be regarded as the natural preliminary to every act of coitus.

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

In the early days of Christianity the exercise of chastity was frequently combined with a close and romantic intimacy of affection between the sexes which shocked austere moralists.

All the art of living lies in a fine mingling of letting go and holding on.

No act can be quite so intimate as the sexual embrace.

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

There is held to be no surer test of civilization than the increase per head of the consumption of alcohol and tobacco. Yet alcohol and tobacco are recognizable poisons, so that their consumption has only to be carried far enough to destroy civilization altogether.