Mathematics is the music of reason.

The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.

最好的科学是用开放的心态和学习的意愿完成的。

Singing is 90% listening. You have to listen to the silence too.

The more you know, the more you realize you don't know.

译文：为人处世没有什么准则，只要问心无愧就可以；创家立业，不管规模大小，要根据自身的情况量力而行。赏析：待人接物要做到公平公正公开，一视同仁，实事求是，才不会招惹是非和怨恨。创立家业，一定要根据自身的实际情况量力而行，总想一口吃个大胖子是不得行的。