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。

To fulfill the highest most truthful expression of yourself as a human being. You want to max out your humanity by using your energy to lift yourself up， your family and the people around you.

【译文】 曾子说：“我每天都要多次提醒自己：工作是否敬业？交友是否守信？知识是否用于实践？”

Win-win cooperation is not a slogan, but the only way for global infrastructure development.

The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos, to know itself.