The most important part of teaching is to teach what it is to know.

The power of accurate observation is commonly called cynicism by those who have not got it.

我对一遍又一遍地扮演同一个角色不感兴趣。

有时候，最艰难的战斗是在我们自己的脑海中进行的。

贪图未必成功的事业，不如坚守已成的事业。

The biggest mistake you can make is thinking you know everything.

麦克斯韦方程式不足以设计电动机不是计算机的错。