For as soon as the procreative faculty is thwarted and the...

For as soon as the procreative faculty is thwarted and the number of births diminished, the natural struggle for existence which allows only healthy and strong individuals to survive is replaced by a sheer craze to 'save' feeble and even diseased creatures at any cost. And thus the seeds are sown for a human progeny which will become more and more miserable from one generation to another, as long as Nature's will is scorned.