"It must never be forgotten that the primary test that every people must face is whether it is strong enough to survive. Its fate may well be decided by war, and the issue of a war may hinge simply on how many men it can mass on its side of the struggle. In this light, birth control is seen to be the knife by which civilized White man is cutting his own throat."
January 1, 1970
https://en.wikiquote.org/wiki/William_Gayley_Simpson