在数学中，提出问题的艺术必须比解决问题更有价值。
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
El verdadero escritor no busca la fama, sino la verdad.
The advancement of mathematics is through generalization.
追随你天然的好奇心，解决自己的问题，学习只是相关的副产品。
A great novel is one that leaves the reader changed.