I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.

科学研究要解决实际问题，不能只停留在论文上。

权力不仅仅是你自己能做什么，而是你能让别人做什么。