1.A friend is best found in adversity.
患难见真情。

2.All rivers run into the sea.
殊途同归。

3.A small leak will sink a great ship.
千里之堤溃于蚁穴。

4.All time is no time when it is past.
机不可失，时不再来。

5.Experience teaches.
吃一堑，长一智。

6.Everybody's business in nobody's business.
三个和尚没水喝。

7.Never too late/old to learn.
活到老，学到老。

8.Nothing in the world is difficult for one who sets his mind to it.
世上无难事，只怕有心人。

9.No rose without a thorn.
没有不带刺的玫瑰。

10.No one can call back yesterday.
昨日不会重现。

11.No man can do two things at once.
一心不可二用。

12.No pains, no gains.
没有付出就没有收获/一分耕耘一分收获。

13.Never say die.
永不言败。

14.No way is impossible to courage.
勇士面前无险路。

15.A smooth sea never made a skillful mariner.
平静的大海决不能造就出熟练的水手。

16.Don't judge a book by its cover.
不要以貌取人。

17.While there is life there is hope.
一息若存，希望不灭。

18.I am a slow walker,but I never walk backwards.
我走得很慢，但是我从来不会后退。

19.Never underestimate your power to change yourself!
永远不要低估你改变自我的能力!

20.Nothing is impossible!
没有什么不可能!