世界上有很多好人。如果你找不到一个，那就成为一个。

"The world is a book, and those who do not travel read only one page."

In individuals， insanity is rare；but in groups， parties， nations， and epochs， it is the rule.

道德的人和荣誉的人之间的区别在于，后者即使在不光彩的行为奏效时也会感到后悔。

The first step in the art of cutting metals is to find a man who has the necessary skill and experience.