1、A bosom friend afar brings a distant land near.
海内存知己，天涯若比邻。
2、A common danger causes common action.
同舟共济。
3、A contented mind is a continual/perpetual feast.
知足常乐。
4、A fall into the pit, a gain in your wit.
吃一堑，长一智。
5、A guest should suit the convenience of the host.
客随主便。
6、A letter from home is a priceless treasure.
家书抵万金。
7、All rivers run into the sea.
殊途同归。
8、All time is no time when it is past.
机不可失，时不再来。
9、An apple a day keeps the doctor away.
日啖一苹果，健康不求医。
10、As heroes think, so thought Bruce.
英雄所见略同。
11、A young idler, an old beggar.
少壮不努力，老大徒伤悲。
12、Behind the mountains there are people to be found.
天外有天，山外有山，人外有人。/ 强中更有强中手。
13、Bad luck often brings good luck.
塞翁失马，焉知非福。