The process of mathematical discovery is not about reaching a destination, but about the journey itself.
数学发现的过程不是关于到达目的地，而是关于旅程本身。
I always try to be positive, even in tough moments.
Every mathematical problem has a solution; the challenge is finding it.
The human brain is a social brain, and it evolved to deal with social relationships.
There is no such joy in the tavern as upon the road thereto.
未经测试的程序是无法正常工作的。
The simplest sentences often hold the most profound truths.