"In an underdeveloped and over-populated country, where four-fifths of the people get less than two thousand calories a day and one-fifth enjoys an adequate diet, can democratic institutions arise spontaneously? Or if they should be imposed from outside or from above, can they possibly survive?

And now let us consider the case of the rich, industrialized and democratic society, in which, owing to the random but effective practice of dysgenics, IQ's and physical vigor are on the decline. For how long can such a society maintain its traditions of individual liberty and democratic government? Fifty or a hundred years from now our children will learn the answer to this question."

I found this quote interesting to ponder, BNW revisited was written in 1958.