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.
任何地方的不公正都是对所有地方公正的威胁。
你容忍什么,就会得到什么。
最终,我们记住的不是敌人的话语,而是朋友的沉默。
为了成功,你必须愿意失败。