There are three main parts in this book:
First, the life of calligraphy
Second, Qigong calligraphy, known as Li Dan's calligraphy in ancient times, especially dragon grass;
Third, do both. How to write a book with both hands? It is pointed out in the book that the sword and the book come down in one continuous line, and both are works of chasing gods, writing and practicing martial arts swords.
Are all changes in external forms. Writing is to look at Fiona Fang on the plane of paper, while practicing martial arts is to look at Fiona Fang in the middle. They have the same body, but they have different uses.
I hope it helps you!