改变始于一小步,但需要集体的努力才能持久。
Change starts with a single step, but it takes a collective effort to make it last.
We shouldn't teach great books; we should teach a love of reading.
乳制品行业必须发展,以满足人类和地球的需求。
The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.