郦波在讲座中引用马克·吐温的话并加以阐释

艺术是一种视觉思考的方式。

Quality and efficiency are the dual engines driving the development of construction enterprises.

I think that the role of the mathematician is to discover these patterns and to explain them.

解释：不在农忙时役使百姓而耽误农时，那么可以保证百姓富裕。