世界是一本书，不旅行的人只读了一页。

The true test of civilization is not the census, nor the size of cities, nor the crops, but the kind of man that the country turns out.

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.

预言是人类唯一一项无法经由练习而改善的技术。