有疑问时，就说真话。

I can’t play bridge. I don’t play tennis. All those things that people learn, and I admire, there hasn’t seemed time for. But what there is time for is looking out the window.

音乐是连接我们所有人的通用语言。

To live is to be open to the unexpected.

世界是理性的。

质量是工程的生命线，任何时候都不能放松对质量的追求。

The essence of mathematics lies in its freedom.