坚持是数学研究的关键，许多伟大的成果来自于长期的奋斗。

爱因斯坦当他说“上帝并不掷骰子”的时候是错误的。思考到黑洞的因素，上帝不仅仅仅玩骰子，他还经常把他们扔到我们看不到的地方来使我们迷惑。

心灵是一个不断变化的过程流。

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

纸的未来不是取代数字；而是共存并互相增强。