What you do makes a difference, and you have to decide what kind of difference you want to make.

"The power of a story is not just in its telling, but in its ability to resonate with the hearts of those who hear it."

I'm not trying to be perfect, I'm just trying to be myself.

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。