《明史·志·卷四十一》
明朝初年，用节俭的品德开创基业，官殿落成，不用有纹理的石块铺设地面。
明初俭德开基，宫殿落成，不用文石甃地。
At the beginning of the Ming Dynasty, they established the foundation of the country with the moral standard of thrift, and after the government halls were built, they did not use textured stone to pave the ground.