The great philosophers are those who have made a difference in the way we think about the world and our place in it.

I'm not a feminist. I hail men, I love men. I celebrate American male culture, and beer, and bars and muscle cars...

In the quest for understanding, failure is not the opposite of success; it is a stepping stone to it.

Collaboration across disciplines leads to the most innovative solutions.

In mathematics, as in life, the most elegant solutions often arise from a deep understanding of the problem.

我不害怕变老。我更有经验，更聪明，更有耐心。