In mathematics, the journey of discovery is often more rewarding than the destination itself.

Suffering is the school of wisdom.

如果我们想拯救自然世界，重新与自然建立联系是关键。

Small actions, multiplied by millions, can transform the world.

The dead are invisible, but they are not absent.

证明的严谨性将数学与所有其他科学区分开来。

感恩会解锁其他所有的美德，而且感恩是你可以学得越来越好的事情。