I think it's important to have a sense of humor about yourself.

Theorems are the milestones of mathematics.

"The power of a story is in its ability to inspire hope."

离别的时刻已经到来，我们分道扬镳，我死去，你活着。这两种哪个更好只有神知道。

好奇心是发现的引擎。

It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.