1、He who would obtain highly must sacrifice greatly.
欲带王冠，必承其重
2、the finest diamond must be cut.
玉不琢，不成器。
3、the wise man knows he knows nothing, the fool thinks he knows all.清者自清，浊者自浊。
4、the wolf has a winning game when the shepherds quarrel.
螳螂捕蝉，黄雀在后。
5、to err is human.
人非圣贤，孰能无过
6、talk of the devil and he will appear.
说曹操，曹操就到。
7、tit for tat is fair play.
人不犯我，我不犯人;人若犯我，我必犯人。
8、the danger past and god forgotten.
过河拆桥。
9、the devil knows many things because he is old.
老马识途。
10、the die is cast.
木已成舟。
11、the frog in the well knows nothing of the great ocean.
坐井观天。
12、the leopard cannot change its spots.
本性难移。
13、pleasure comes through toil.
苦尽甘来。
14、practice makes perfect.
熟能生巧。
15、promise is debt.
一诺千金。
16、pull the chestnut out of fire.
火中取栗。
17、put the cart before the horse.
本末倒置。
18、put your shoulder to the wheel.
鼎力相助。
19、rome is not built in a day.
冰冻三尺，非一日之寒。
20、seeing is believing.
眼见为实。
21、seek the truth from facts.
实事求是。
22、set a thief to catch a thief.
贼喊捉贼。
23、take things as they come.
既来之，则安之。
24、The country flourishes and people live in peace
国泰民安
25、Achieve immediate victory; win instant success
马到成功
26、Throw good money after bad
赔了夫人又折兵
27、If you have no hand you can’t make a fist. One can’t make bricks without straw.
巧妇难为无米之炊
28、Cut off all means of retreat;burn one’s own way of retreat and be determined to fight to the end.
破釜沉舟
29、Misfortune may be an actual blessing.
塞翁失马焉知非福
30、Unity is strength.
团结就是力量
31、Make create something out of nothing.
无中生有
32、Birds of a feather flock together.
物以类聚，人以群分
33、May all your wish come true
心想事成
34、Be an armchair strategist
纸上谈兵
35、Truth will come to light sooner or later.
纸包不住火
36、Between the devil and the deep blue sea
左右为难
37、Know the enemy and know yourself, and you can fight a hundred battles with no danger of defeat.
知己知彼、百战不殆
38、Money and treasures will be plentiful
招财进宝
39、A real man never goes back on his words.
一言既出，驷马难追
40、Great minds think alike.
英雄所见略同
41、Be strict with oneself and lenient towards others
严于律己，宽以待人
42、Modesty helps one go forward, whereas conceit makes one lag behind.
虚心使人进步,骄傲使人落后
43、Pour oil on troubled waters
息事宁人
44、No matter how high the mountain is, its name will spread wide if there is a fairy;山不在高，有仙则名
45、Anything unexpected may happen ; a bolt from the blue
天有不测风云
46、one eyewitness is better than ten hearsays.
百闻不如一见
47、Practice is the sole criterion for testing truth.
实践是检验真理的唯一标准
48、When the river rises, the boat floats high.
水涨船高
49、Teach students according to their aptitude
因材施教
50、A fictitious land of peace away from the turmoil of the world
世外桃源。