Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
我们不必比别人更聪明,但必须比别人更有纪律性。
每一个数学问题都是一个等待解决的谜题,每一个解决方案都是迈向更深入理解的一步。
公用电话,希望你会打给我。
Have the courage to follow your heart and intuition. They somehow already know what you truly want to become.