If we allow the weak and deformed to live and propagate their kind, we face the prospect of a genetic twilight; but if we let them suffer or die when we can save them, we face the certainty of a moral twilight.
如果我们允许弱者和畸形者生活并生育，那是遗传学的悲哀；但如果我们能够拯救他们,却听任他们遭受痛苦或者死亡，那显然是道德的沦丧