1.Keep something for a rainy day.
未雨绸缪。

2.Man proposes, God disposes.
谋事在人，成事在天。

3.Mind acts upon mind.
心有灵犀一点通。

4.Practice makes perfect.
熟能生巧。

5.Every man has his weak side.
人人都有自己的弱点。

6.One is never too old to learn.
活到老，学到老。

7.Life is a span.
人生如朝露。

8.Never hit a man when he is down.
不要落井下石。

9.Nurture passes nature.
教养胜过天性。

10.Never judge by appearances.
切莫以貌取人。

11.No fire without smoke.
无风不起浪。

12.One who has seen the ocean thinks nothing of mere rivers.
曾经沧海难为水。

13.So many men, so many minds.
人心各不同。

14.One swallow does not make a summer.
独木不成春。

15.Where there is life, there is hope.
生命不息，希望长在。

16.Rome was not built in a day.
罗马不是一日建成的。

17.Out of sight, out of mind.
眼不见，心不烦。

18.Poverty is stranger to industry.
勤劳之人不受穷。

19.One today is worth two tomorrows.
一个今天胜似两个明天。

20.No wisdom like silence.
聪明莫过沉默。