如果我们能找到答案，那将是人类理性的终极胜利 — 那时我们就能洞悉上帝的思想。

最重要的是你要有一个北极星，你必须知道自己要去哪里。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

定理让我兴奋；证明让我厌倦。我的头脑不适合做那些繁琐、细致的工作，去证明我已经知道是正确的东西。

The great challenge of our time is to create a world order that is both just and sustainable.

未来是创造一个更可持续的世界。