Hope for the best,prepare for the worst.

　　好处着想，坏处准备。

　　Great hope makes great man.

　　伟大的思想造就伟大的人。

　　A rolling stone gathers no moss.

　　滚石不聚苔，转行不聚财。

　　When in Rome, do as the Romans do.

　　入乡随俗。

　　Knowledge is a measure, but practise is the key to it.

　　知识是珍宝，而实践是获取它的钥匙。

　　Lost time is nr found again.

　　光阴一去不复返。

　　Difficulties strenen the mind, as labour does the body.

　　劳动强体，磨难强智。

　　Behind bad luck comes good luck.

　　塞翁失马，焉知非福。

　　All for one, one for all.

　　我为人人，人人为我。

　　Treat other people as you hope they will treat you.

　　己所不欲，勿施于人。

　　Suspicion is the poison of friendship.

　　怀疑是对友谊所下的毒。