Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
在数学研究中，坚持是关键；许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
Be your own sun, and your world will be brightened by you.
"The only way to do great work is to love what you do."
1998年就国际外交政策发表观点时引用美国黑手党首领艾尔·卡彭曾经说过的话。
"The unexamined life is not worth living."
I'm a fighter. I believe in the power of positivity and hard work.
I have noticed that youngsters given to the climbing habit usually do something when they grow up.
家不是一个地方，而是一种感觉。
The best way to predict the future is to invent it.