Don’t cry over spilt milk.覆水难收，后悔无用。
　　Don’t judge a book by its cover.不要以貌取人。
　　Curiosity killed the cat.好奇致祸。
　　Forewarned is forearmed.预警即预防。
　　Nothing ventured, nothing gained.不入虎穴，焉得虎子。
　　
　　The first step is always the hardest.万事开头难。
　　Don’t put off for tomorrow what you can do today.今日之事，勿留明日。
　　Don’t put the cart before the horse.切勿本末倒置。
　　He who hesitates is lost.犹豫不决失良机。
　　Never too old to learn.活到老，学到老。
　　
　　Don’t put all your eggs in one basket.不要孤注一掷。
　　The pen is mightier than the sword.文能胜武。
　　Beggars can’t be choosers.乞丐岂能挑选。
　　Clothes do not make the man.衣装不能造就人。
　　Too many chiefs, not enough Indians.官多兵少。
　　
　　No pain, no gain.一分耕耘，一分收获。
　　Truth never grows old.真理永存。
　　Waste not, want not.俭以防匮。
　　Constant dripping wears away the stone.滴水穿石。
　　Necessity is the mother of invention.需求是发明之母。