弦理论的美妙之处在于它提供了一个框架，使引力和量子力学可以和平共处。

我认为生活中最重要的事情是爱与被爱。

"History is not the past—it is the method we have evolved of organizing our ignorance of the past."

A mathematician's work is never done; there are always more problems to solve.

我不认为自己是一个对答案感兴趣的作家。我对问题感兴趣。