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 SangerApply a stern and rigid policy of sterilization and segregation to that grade of population whose progeny is already tainted, or whose inheritance is such that objectionable traits may be transmitted to offspring.
Margaret Sanger