...less effective. This is precisely the aim of Eugenics. Its first object is to check the birth rate of the Unfit instead of allowing them to come into...the productivity of the Fit, by early marriages and the healthful rearing of their children. Natural Selection rests upon excessive production and wholesale...

...prematurely. The second object is the improvement of the race by furthering the productivity of the most fit by early marriages and healthful rearing of their...excessive production and wholesale destruction; eugenics in bringing into the world no more individuals than can be properly cared for and those only of the...