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。
We are all born with a certain degree of talent. What we do with it is up to us.
All things are in a state of flux.
只有在水里的时候,我才感到平静。
我唯一知道的是我一无所知。