There 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.

No more children should be born when the parents, though healthy themselves, find that their children are physically or mentally defective.

I wanted each woman to be a rebellious Vashti, not an Esther.

Through sex, mankind may attain the great spiritual illumination which will transform the world, which will light up the only path to earthly paradise.

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.

Give dysgenic groups [people with 'bad genes'] in our population their choice of segregation or [compulsory] sterilization.

Knowledge of birth control is essentially moral. Its general, though prudent, practice must lead to a higher individuality and ultimately to a cleaner race.