1. Books originate from nature. ——Han Cai Yong
2. Silent sound, invisible appearance. ——Tang·Zhang Huaijin
3. Learning books can lead to long-term knowledge. ——Zhang Yanyuan of the Tang Dynasty
4. The mysterious meaning comes from the surface of things; the profound truth lies in the darkness; it cannot be expressed by ordinary feelings and measured by worldly wisdom. ——Zhang Huaijin of the Tang Dynasty
5. It may be used to express the ambition of galloping vertically and horizontally, or it may be used to relieve depression. Although it is noble, it cannot suppress its height, and although it is wonderful, it cannot control its power. ——Zhang Huaijin of the Tang Dynasty
6. The characters must have bone structure, the meat must wrap the tendons, the tendons must hide the meat, and the posts must be beautiful and moist. ——Mi Fu, Song Dynasty
7. One point becomes one word, and one word is the final word. ——Sun Guoting, Tang Dynasty
8. There are thousands of bald pens and thousands of ingots. ——Su Shi of the Song Dynasty
9. Drawing the pen and working hard, like a swan flying high, the bird is graceful. ——Jin Wei Heng
10. It is as graceful as a silver hook and its source is like a startling luan. ——Jin·Suo Jing
11. Floating like floating clouds, as sharp as a frightening dragon. ——Book of Jin
12. The dragon leaps over the Tianmen, and the tiger lies in the Phoenix Pavilion. ——The Southern and Northern Dynasties·Xiao Yan
13. Clouds and cranes roam the sky, and flocks of hongs play in the sea——. Southern and Northern Dynasties · Xiao Yan
14. The dragon is powerful and the tiger is vibrating, and the sword is at war. ——Yuan Ang, Southern and Northern Dynasties
15. The body appearance is extraordinary, different from the past and present. Falling pearls and jade, fluttering tassels. ——Tang·Zhang Huaisheng