Once a thief, always a thief.偷盗一次，做贼一世。
Once bitten, twice shy.一朝被蛇咬，十年怕井绳。One boy is a boy, two boys half a boy, three boys no boy.一个和尚挑水喝，两个和尚抬水喝，三个和尚没水喝。Out of sight, out of mind.眼不见，心为静。Patience is the best remedy.忍耐是良药。Penny wise, pound foolish.贪小便宜吃大亏。Plain dealing is praised more than practiced.正大光明者，说到的'多，做到的少。Please the eye and plague the heart. 贪图一时快活，必然留下隐祸。Pleasure comes through toil.苦尽甘来。Reading enriches the mind.开卷有益。Reading is to the mind while exercise to the body.读书健脑，运动强身。Respect yourself, or no one else will respect you.要人尊敬，必须自重。Rome is not built in a day冰冻三尺，非一日之寒。Saying is one thing and doing another.言行不一。Seeing is believing.眼见为实。 Seek the truth from facTurn 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。
