The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.
有机化学现在足以让人发疯。它给我一种原始热带森林的印象,充满了最非凡的事物,一个巨大而无边的灌木丛,没有逃脱的方法,人们可能会害怕进入。
The whole of science is nothing more than a refinement of everyday thinking.
The key to nudge is to make it easy for people to make better choices.
掌握医学知识的关键在于将理论与实践联系起来。