在我看来，“一知半解是危险的事”这句格言本身就很危险。
The saying that a little knowledge is a dangerous thing is, to my mind, a very dangerous adage.
History is the shadow cast by the present.
The true teacher defends his pupils against his own personal influence.
The past is a place of reference, not a place of residence.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.
我很害羞，信不信由你。我和你在舞台上看到的那个人完全不同。
可持续性不是成本中心 - 它是对我们共同未来的投资。
The art of disputation is the art of making the worse appear the better reason.
