概率论归根结底不过是常识的微积分化。

父子之间要亲爱，君臣之间要有礼义，夫妇之间要挚爱但还要有内外之别，老少之间有尊卑之序，朋友之间要有诚信之德。

Golf is a game of respect and sportsmanship - we have to respect its traditions and behavior.

The true value of education is not just in the accumulation of facts, but in the training of the mind to think critically and creatively.

A sustainable coal industry is possible if we commit to the right technologies.

价的概念是所有结构化学的基础。