"The past is never dead. It's not even past."

The artist's role is to disturb the peace.

——在南京中国同盟会会员饯别会演说，1912年4月1日

The true value of a mathematician lies in the problems they leave behind.

The value of a network is proportional to the square of the number of connected users of the system.

京东的成功来自于对用户体验的极致追求。