我不害怕变老。我害怕没有充分地生活。

Geometry is not just about shapes; it is about understanding the space we live in and the relationships within it.

I don't need a reason to be proud of myself.

传记的挑战不在于发现事实 - 而在于发现事实背后的意义。

创新就是做别人没做过的事情，或是别人做过没做成的事情。