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。
I don't want to make money, I want to make a difference.
The best way to predict the future is to create it.
Mental life is a series of experiments in adaptation.