评论人物，应该充分肯定他的长处，宽容地谅解他的短处；办理事务，应该首先弄清它的害处，然后再衡量它的利处。

养儿子不教育就像养了一头蠢驴一样；养女儿不教育的话就像养了一头猪。

I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.

"Education is the most powerful weapon which you can use to change the world."

第一项任务是理解问题，第二项是找到解决方案，第三项是执行它。