It's not worth it to know you're not worth it!
别难过……世界上有许多人还不知道他们到底是谁或什么。
The most powerful stories are the ones we live.
The longer I live, the more I feel that the only way to live is to live with love.
"The most ordinary life contains extraordinary stories."
The pain of discipline is better than the pain of regret.
It's not about being perfect, it's about being better than you were yesterday.
我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。