你必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。
You have to be willing to fail, to be wrong, to start over again with lessons learned.
"Books are the mirrors that reflect our struggles."
学问使人适合与自己为伍。
I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.
I don’t let fear stop me, I let it push me.
天下的治乱不在于一个王朝的兴亡，而在于百姓的忧乐。