All things in their being are good for something.
天生我才必有用。

Failure is the mother of success.
失败乃成功之母。

Twenty years from now you will be more disappointed by the things that you didn't do than by the things you did.--------Mark Twain
今后二十年你会因为没做某事，而不是做了某事而失望。--------马克*吐温

Truth needs no colour; beauty , no pencil. 　　　　　　　　 　 　 　—— William

Shakespeare
真理不需色彩，美丽不需涂饰。 　 　　　　　　　　——W·莎士比亚

It is not enough to be industrious, so are the ants. What are you industrious about?( H.D. Thoreau)
光勤劳是不够的，蚂蚁也是勤劳的。要看你为什么而勤劳。（梭罗）

To err is human, to forgive, divine. 　　　　　　　　　　 -- Pope
人孰无过？心存宽恕，就是圣洁。 　　　　　　　　　　　　　 --蒲柏