If men and women are to understand each other, to enter into each other's nature with mutual sympathy, and to become capable of genuine comradeship, the foundation must be laid in youth.

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

When love is suppressed hate takes its place.

For every fresh stage in our lives we need a fresh education, and there is no stage for which so little educational preparation is made as that which follows the reproductive period.

Of woman as a real human being, with sexual needs and sexual responsibilities, morality has often known nothing.