In the world of mathematics, imagination is more important than knowledge.
In economics, the devil is often in the details.
人效法地,地效法天,天效法道,道效法自然。
世界上最强大的品牌是一个讲得好的故事。
局部和全局现象之间的相互作用是数论中反复出现的主题。
Just the discipline of having to put your thoughts in order with somebody else is very useful thing.