Sociology
Searchlights on Health: Light on Dark Corners A Complete Sexual Science and a Guide to Purity and Physical Manhood, Advice To Maiden, Wife, And Mother, Love, Courtship, And Marriage
1. The old maxim, that "Knowledge is power," is a true one, but there is still a greater truth: "KNOWLEDGE IS SAFETY." Safety amid physical ills that beset mankind, and safety amid the moral pitfalls that surround so many young people, is the great crying demand of the age. {4}