不要让自己成为别人的影子，要敢于做真实的自己。
Don't be someone else's shadow; dare to be your authentic self.
You pray for rain, you gotta deal with the mud too. That's a part of it.
Mathematics is the language with which God has written the universe.
写作是为了见证世界的美丽与残酷。
The true journey of discovery consists not in seeking new landscapes, but in having new eyes.
数学的真正力量在于它简化复杂事物的能力，使不可理解的事物变得可理解。
把冬天当作正常季节，才能活得长久。
