最大的失敗是放棄，最大的敵人是自己，最大的對(duì)手是時(shí)間。
歷史的重量總是存在于我們使用的材料中。
Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.
The greatest thing you'll ever learn is just to love and be loved in return.
The world is not a problem to be solved; it is a living being to which we belong.