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。
我很相信运气，而我发现越是努力工作，我的运气越好。