"We are very often inclined to treat this subject lightly by saying that we are a great reducing race, but I have no patience with this indifference, for it is simply impossible for any race to balance any such loss at this. And now, more than this, women, wee are not so productive as we used to be. I do not know why, I wish I did. I would count no sacrifice too great to bring about a change in this respect. My grandmother had thirteen sons and daughters, every one of whom lived to rear large families. My mother had ten, most of whom have lived long enough, but they have no children. In the whole ten of us, all grown, there are only two children, and they are the children of the youngest girl, who is now 27 years of age, and there has never been more than these, and what is worse, there never will be. Study this race question, this phase of it, and you will find what I say to be true."
January 1, 1970
https://en.wikiquote.org/wiki/Margaret_Murray