以下几句供你参考:识时务者为俊杰.A wise man changes his mind; a fool never will. 说得好不如做得好.Better to do well than to say well.他山之石可以攻错.Wise men learn by other men's mistakes; fools by their own.吾生待明日，万事成蹉跎。
One of these days is none of these days. 没有恒心只有力量完不成伟业.Great works are performed not by strength but by perseverance.通百艺而专一长.Knowing something of everything and everything of something.今日事今日了.Today must borrow nothing of tomorrow. 少壮不努力,老大徒伤悲.Laziness in youth sp
