I don't have a method. I have a madness.

The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

【释义】：父亲不慈爱，子女就不会孝顺；兄长不友爱，弟弟便不会恭敬。  

数学是理性的音乐。

每栋建筑都应该是一位老师。它应该教会我们关于光线、关于空气、关于如何共同生活。