效率是把事情做对，而效能是做对的事情。
Efficiency is doing things right; effectiveness is doing the right things.
Every book is a quotation; and every house is a quotation out of all forests, and mines, and stone quarries; and every man is a quotation from all his ancestors.
Being busy is a form of laziness—lazy thinking and indiscriminate action.
天下不能由一个人治理，就设置官员来治理。
美的事物是永恒的喜悦：它的可爱与日俱增；它永远不会化为乌有。
成功的秘诀是知道别人不知道的事情。
登山不因为艰难险峻就停止攀登，那么最终必定能登上峻岭。