He was a man who had always been too proud to ask for help, and now he was too proud to accept it.

教育是邀请人从此时此地中解脱出来。

I believe in the power of storytelling. I think stories can change the world.

数学不仅仅是人类的发明；它具有一种独立于我们而存在的深刻现实。

I always try to stay positive, even in tough moments.