我在数学上花费的时间越多，我就越感到兴奋。

活着就是受苦，生存就是在苦难中找到某种意义。

I believe in the passion of creation and the power of dreams.

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

丙型肝炎病毒是一个隐藏的敌人，但只要拥有正确的工具和决心，任何隐藏的敌人都能被发现。