Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.

The past is a mirror in which we see ourselves reflected.

现在天下没有人行义，那么你应该鼓励我，为什么反而阻止我呢？ 

I always say, decisions I make, I live with them. There’s always ways you can correct them or ways you can do them better. At the end of the day, I live with them.