I've learned that you can't control what other people think of you, but you can control what you think of yourself.

God's in his heaven—All's right with the world!

A mathematical proof is not just a verification but a story that reveals deeper truths.

I don't want to be a role model. I want to be a source of inspiration.

唯一的限制是你为自己设定的限制。

解释：不谦让， 就会不团结; 不团结， 就不可以出师远征。