What does crazy grass calligraphy mean "from Zhang, from Cheng to Su"?

From Zhang, Cheng and Su? Are you online? Zhang? With what? Sue? It refers to Zhang Xu and Huai Su respectively, in which Zhang Xu made weeds known to the world, while Huai Su greatly promoted the development of weeds, so it is described in this way. Crazy grass is one of the branches of cursive script, and it is also the most wild and unruly among many branches. It is said that this writing style was created by a calligrapher named Zhang Zhi in the Eastern Han Dynasty. Because there has never been such indulgent calligraphy before, the appearance of Wild Grass has attracted a certain degree of attention, but the overall audience level is still relatively small.

After entering the Tang Dynasty, Zhang Xu made further innovations on the basis of Zhang Zhi, and Wild Grass was known by more and more people. Because he likes drinking very much, Zhao Xu is often drunk when writing Weeds. So it's already ten o'clock? Scribble? There are more cursive scripts? Scribble? But at the same time, there will be more unruly people. Once Zhang Xu, who was drunk, used his hair as a brush to write, so he was given one? Zhang Dian? Another name for. Zhang Xu's Wild Grass was very popular at that time, and it was also rated as? Three wonders of the Tang Dynasty? One.

In the Tang Dynasty, besides Zhang Xu, there was another man named? Cao Sheng? Huai Su. Although Huai Su became a monk in his early years, his wine was very good. Like Zhang Xu, Huai Su always writes cheerfully after drinking. The writing carrier can be paper, wall or clothes. Huai Su and Zhang Xu are only separated by more than 20 years, and his appearance has promoted the writing style of Crazy Grass in a wider scope.

Under the impetus of Zhang Xu and Huai Su, Crazy Grass has become a very representative branch of cursive calligraphy, so later generations will say when referring to Crazy Grass? From Zhang, Cheng and Su? . After the Tang Dynasty, there were many celebrities who planted grass crazily, such as Huang Tingjian in the Song Dynasty and Zhu Yunming in the Ming Dynasty.