Sex lies at the root of life, and we can never learn to reverence life until we know how to understand sex.

Mankind is becoming a single unit, and that for a unit to fight against itself is suicide.

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

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

The second great channel through which the impulse towards the control of procreation for the elevation of the race is entering into practical life is by the general adoption, by the educated—of methods for the prevention of conception except when conception is deliberately desired.

All progress in literary style lies in the heroic resolve to cast aside accretions and exuberances, all the conventions of a past age that were once beautiful because alive and are now false because dead.

The omnipresent process of sex, as it is woven into the whole texture of our man's or woman's body, is the pattern of all the process of our life.