追求数学知识是一场永无止境的冒险，充满了挑战、惊喜和解决不可解问题的满足感。

One who never turned his back but marched breast forward, never doubted clouds would break.

The future of food security lies in our ability to adapt and collaborate across borders.

Problem solving is the central activity of intelligent systems.

You can't change the people around you, but you can change the people you choose to be around.