科学是人类认识世界、改造世界的强大武器。
Psychology must be purely experimental and analytical.
The past is a foreign country; they do things differently there.
经济增长的关键在于发现新的配方，并将想法转化为有价值的商品和服务。
Theologians may quarrel, but the mystics of the world speak the same language.
The reward of a thing well done is to have done it.