1.All good things come to an end 天下没有不散的宴席。2.A young idler, an old beggar少壮不努力，老大徒伤悲。3.A candle lights others and consumess itself.蜡烛照亮别人，却毁灭了自己。4.A constant guest is never welcome.常客令人厌。5.A close mouth catches no flies. 病从口入6.Actions speak louder than words. 事实胜于雄辩7.A good beginning is half done. 良好的开端是成功的一半
