Dianxusu: Zhang Xu and Huaisu, the mad cursive calligraphers of the Tang Dynasty, were named "Dian" because their master and apprentice were fond of drinking and their cursive writing was bold and unrestrained, and they were collectively called "Dian Zhang Zuisu".
Mochi Brush Tomb: Huaisu worked hard at the pond, picking banana leaves to practice calligraphy. The wooden boards were used as paper, and the leaves were worn through the boards. The bare pens were piled in piles and buried at the foot of the mountain. They were named "Brush Tomb"; there was a small pond next to it. , often wash the inkstone and the water turns black, which is called "Mochi".
Mi Fu worships stones: During the Song Dynasty, Mi Fu loved stones and played with them like a fool. I once saw a strange stone when I was out. I was overjoyed. I put on my official uniform, held on to the wat board, and bowed to the strange stone as if I were the Supreme Being.