形容世事短暂如春梦，人情淡薄如秋云。

人的一生，必然要经过苦、乐磨炼；在苦难中练就的幸福，才最为长久。

We die. That may be the meaning of life. But we do language. That may be the measure of our lives.

别让任何人定义你的价值。

我掌控着自己的人生。

A proof that P = NP would have profound implications for mathematics, cryptography, and algorithm design.

You have to believe in yourself when no one else does.