沉默并不总是智慧的标志，但喋喋不休总是愚蠢的标志。

数学家是能在定理间找到类比的人；更好的数学家能在理论间看到类比；而最优秀的数学家能注意到类比之间的类比。

每种材料都有自己的语言。我们需要倾听它想成为什么。

数学中的合作是必不可少的；没有人能独自解决所有问题。

"A man who does not think for himself does not think at all."

The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential.

大脑的运作即为心智。