No woman can call herself free who does not own and control her body. No woman can call herself free until she can choose consciously whether she will or will not be a mother.

Birth Control is not contraception indiscriminately and thoughtlessly practiced. It means the release and cultivation of the better racial elements in our society, and the gradual suppression, elimination and eventual extirpation of defective stocks — those human weeds which threaten the blooming of the finest flowers of American civilization.

Hordes of people [are] born, who live, yet who have done absolutely nothing to advance the race one iota. Their lives are hopeless repetitions… Such human weeds clog up the path, drain up the energies and the resources of this little earth. We must clear the way for a better world; we must cultivate our garden.

We should not minimize the great outstanding service of Eugenics for critical and diagnostic investigations. It demonstrates ... that uncontrolled fertility is universally correlated with disease, poverty, overcrowding and the transmission of hereditable traits.

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.

... it has always been the depth of my belief, my faith, or my love that was the mainspring of my behavior. When once I believed in doing a thing, nothing could prevent my doing it.

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