在数学中，最简单的问题往往导致最深刻的发现。

Collaboration is beautiful because it takes you somewhere you wouldn’t go alone.

若要可爱的眼睛，要看到别人的好处。

Happiness is not something ready made. It comes from your own actions.

每一个挑战都是伪装的机遇——只要你有心发现。