It is ... marvellous ... to have a period of apparent fanaticism. No obstacle can discourage you. The single vision of your quest obscures defeat and lifts you over mountainous difficulties.
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 SangerThe undeniably feeble-minded should, indeed, not only be discouraged but prevented from propagating their kind.
Margaret SangerThere is only one reply to a request for a higher birthrate among the intelligent, and that is to ask the government to first take the burden of the insane and feeble-minded from your back. [Mandatory] sterilization for these is the answer.
Margaret SangerWe 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.
Margaret SangerThe third group [of society] are those irresponsible and reckless ones having little regard for the consequences of their acts, or whose religious scruples prevent their exercising control over their numbers. Many of this group are diseased, feeble-minded, and are of the pauper element dependent upon the normal and fit members of society for their support. There is no doubt in the minds of all thinking people that the procreation of this group should be stopped.
Margaret Sanger