Tang Dynasty. Yu Shinan's "Bi Mui Lun" 3

What does it mean? The wrist must be light and weak when using the pen. Yu Anji said: If you don’t understand the meaning of the calligraphy, you will seek the image version for every point and every painting. This is only self-defeating. How can it be a bad calligraphy! Too slow and muscleless, too fast and boneless. The horizontal tubes are blunt and fleshy, while the vertical tubes are dry and exposed. In the end, he realized that thick ones can be sharpened, thin ones can be strong, long ones are not considered surplus, and short ones are not insufficient.

Translation

When using the pen, the wrist must be relaxed and empty. Yu Anji said: People who don’t understand the meaning of calligraphy will make every stroke look like an object or like the original copy. This will look clumsy. Can it still be called calligraphy? If the pen is too slow, there will be no tendons, and if it is too fast, there will be no tendons. Broken. If you use a side pen, it will be slow and unfluent, and the result will be more flesh and less bone; if you use a vertical pen, the tip will be too straight, and the written words will appear dry and the bones will be exposed. Once you understand the truth, you can do it Although the strokes are thick, they can be sharp and sharp, and although the strokes are thin, they can be strong and powerful. When they are long, they are not felt to be superfluous, and when they are short, they are not considered to have any shortcomings.