The most merciful thing a large family can do to one of its infant members is to kill it.

No despot ever flung forth his legions to die in foreign conquest, no privilege-ruled nation ever erupted across its borders, to lock in death embrace with another, but behind them loomed the driving power of a population too large for its boundaries and its natural resources.

The most far-reaching social development of modern times is the revolt of woman against sex servitude. The most important force in the remaking of the world is a free motherhood.

Woman must not accept; she must challenge.

Diplomats make it their business to conceal the facts.

Organized charity itself is. . . the surest sign that our civilization has bred, is breeding and is perpetuating constantly increasing numbers of defectives, delinquents and dependents

Birth control must lead ultimately to a cleaner race.