Cao Buxing, a good painter, You Zheng, and Wu Fan, a good operator, are called "Wu Ba Jue" together with Song Shou, an emperor who is good at dreaming, and Liu Dun, who is good at writing.
Emperor's cursive script, Cao Buxing's painting, Yanwu's Go, You Zheng's calculation in Yicheng, Wu Fan's kindness to the climate, Zhao Da's arithmetic, Song Shou's dream interpretation and Liu Dun's astronomy are also called "Eight Wonders".