I think the greatest sin in the world is bringing children into the world that have disease from their parents, that have no chance to be a human being, practically. Delinquents, prisoners, all sorts of things just marked when they're born. That to me is the greatest sin - that people can - can commit.
Margaret SangerOn the contrary, the most urgent problem today is how to limit and discourage the over-fertility of the mentally and physically defective.
Margaret SangerBy all means, there should be no children when either mother or father suffers from such diseases as tuberculosis, gonorrhea, syphilis, cancer, epilepsy, insanity, drunkenness and mental disorders. In the case of the mother, heart disease, kidney trouble and pelvic deformities are also a serious bar to childbearing No more children should be born when the parents, though healthy themselves, find that their children are physically or mentally defective.
Margaret SangerNo 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.
Margaret SangerGive dysgenic groups [people with 'bad genes'] in our population their choice of segregation or [compulsory] sterilization.
Margaret Sanger