如果你自由，你就不可预测。

"In the study of computational complexity, we often find that the boundaries of what is possible are defined by the limits of our imagination."

我们必须平衡当今对可负担能源的需求与建设可持续能源未来的必要性。

城市就像一篇文章，它会向那些能够阅读它的人说话。

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.

唯一能让你富有的是你自己的心。