数学中发现的快乐是无与伦比的。

It's not about how hard you hit. It's about how hard you can get hit and keep moving forward.

The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.

我一直相信，只要你付出努力，结果自然会来。

忙着生，或忙着死，这真有道理。