良弓之子，必先为箕；良冶之子，必先为裘。摘自
解释：善于制造弓箭的工匠之子，必须先从编织簸箕开始；善于冶炼的工匠之子，必须从连缀皮裘开始。
人类的历史就是人们低估自己的历史。
It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.