【分析解答题】

There is probably no limit to what science can do in the way of increasing positive ex cellence.

I think there is a mixture of truth and falsehood in the admira tion of "nature", which it is important to disentangle. To begin with, what is "natural" Roughly speaking, anything to which the speaker was accustomed in childhooD、 Lao-Tze objects to roads and carriages and boats, all of which were probably unknown in the village where he was born. Rousseau has got used to these things, and does not regard them as a gainst nature.But he would no doubt have thundered against railways if he had lived to see them.Clothes and cooking are too ancient to be denounced by most of the apostles of na ture, though they all object to new fashions in either.Birth control is thought wicked by people who tolerate celibacy, because the former is a new violation of nature and the latter an ancient one.