To know everything is to know nothing.
什么都知道，一如什么都不知道。
To know oneself is true progress.
人贵有自知之明。
Tomorrow never comes.
我生待明日，万事成蹉跎。
Too much familiarity breeds contempt.
过分熟悉会使人互不服气。
Too much knowledge makes the head bald.
学问太多催人老。
Too much liberty spills all.
自由放任，一事无成。
Too much praise is a burden.
过多夸奖，反成负担。
To save time is to lengthen life.
节约时间就是延长生命。
Touch pitch, and you will be defiled.
常在河边走，哪有不湿鞋。
Troubles never come singly.
福无双至，祸不单行。
Truth never grows old.
真理永存。
Turn over a new leaf.
洗心革面，改过自新。
Two dogs strive for a bone, and a third runs away with it.
鹬蚌相争，渔翁得利。
Two heads are better than one.
一个好汉三个帮。
Two of a trade seldom agree.
同行是冤家。
Two wrongs do not make a right.
别人错了，不等于你对了。
Unity is strength.
团结就是力量。
Unpleasant advice is a good medicine.
忠言逆耳利于行。
Until all is over one's ambition never dies.
不到黄河心不死。
Venture a small fish to catch a great one.
吃小亏占大便宜。
Virtue is fairer far than beauty.
美德远远胜过美貌。
Walls have ears.
小心隔墙有耳。
Wash your dirty linen at home.
家丑不可外扬。
Water dropping day by day wears the hardest rock away.
滴水穿石。
Wealth is nothing without health.
失去健康，钱再多也没用。
We know not what is good until we have lost it.
好东西，失去了才明白。
Well begun is half done.
好的开始，是成功的一半。
We never know the worth of water till the well is dry.
井干方知水可贵。
bad beginning makes a bad ending.
不善始者不善终。
A bad thing never dies.
遗臭万年。
A bad workman always blames his tools.
不会撑船怪河弯。
A bird in the hand is worth than two in the bush.
一鸟在手胜过双鸟在林。
A boaster and a liar are cousins-german.
吹牛与说谎本是同宗。
A bully is always a coward.
色厉内荏。
A burden of one's choice is not felt.
爱挑的担子不嫌重。
A candle lights others and consumes itself.
蜡烛照亮别人，却毁灭了自己。
A cat has 9 lives.
猫有九条命。
A cat may look at a king.
人人平等。
A close mouth catches no flies.
病从口入。
A constant guest is never welcome.
常客令人厌。
Actions speak louder than words.
事实胜于雄辩。
Adversity leads to prosperity.
穷则思变。
Adversity makes a man wise
not rich.
逆境出人才。
A fair death honors the whole life.
死得其所，流芳百世。
A faithful friend is hard to find.
知音难觅。
A fall into a pit
a gain in your wit.
吃一堑，长一智。
A fox may grow gray
but never good.
江山易改，本性难移。
A friend in need is a friend indeed.
患难见真情。
A friend is easier lost than found.
得朋友难，失朋友易。
A friend is never known till a man has need.
需要之时方知友。
A friend without faults will never be found.
没有十全十美的朋友。
'After you' is good manners.
“您先请”是礼貌。
A good beginning is half done.
良好的开端是成功的一半。
A good beginning makes a good ending.
善始者善终。
A good book is a good friend.
好书如挚友。
A good book is the best of friends
the same today and forever.
一本好书，相伴一生。
A good conscience is a soft pillow.
不做亏心事，不怕鬼叫门。
A good fame is better than a good face.
美名胜过美貌。
A good husband makes a good wife.
夫善则妻贤。
A good medicine tastes bitter.
良药苦口。
A good wife health is a man's best wealth.
妻贤身体好是男人最大的财富。
A great talker is a great liar.
说大话者多谎言。
A hedge between keeps friendship green.
君子之交淡如水。
A joke never gains an enemy but loses a friend.
戏谑不能化敌为友，只能使人失去朋友。
A leopard cannot change its spots.
积习难改。
A liar is not believed when he speaks the truth.
说谎者即使讲真话也没人相信。
A light heart lives long.
静以修身。
A little body often harbors a great soul.
浓缩的都是精品。
A little knowledge is a dangerous thing.
一知半解，自欺欺人。
A little pot is soon hot.
狗肚子盛不得四两油。
All are brave when the enemy flies.
敌人逃窜时，人人都成了勇士。
All good things come to