In the end, we will remember not the words of our enemies, but the silence of our friends.

互联网是一种共享资源，需要集体责任。

Life is a balance between what we can control and what we cannot. I am learning to live between effort and surrender.

晏子春秋

发散级数是魔鬼的发明，基于它们的任何证明都是一种耻辱。