The original sentence is "It may be as heavy as a collapsing cloud, or as light as a cicada's wing; if it is guided, the spring will flow; if it is stopped, the mountain will be peaceful; as slender as the first moon rising from the horizon, and falling as if it were among the stars." "Hehan." Among them, "Guiding leads to springs, and stopping makes mountains peaceful." It means that when it is clear, it is like spring water, and when it stops, it is like a mountain of stability. It is used to describe the freedom of calligraphy. For specific situations, please refer to the following content. .

1. "If you lead, the spring will flow; if you pause, the mountain will be peaceful." It means that when writing calligraphy, it will be like spring water rushing when it is accessible, and it will be like a mountain of stability when it pauses. The original sentence is "It may be as heavy as a collapsing cloud, or as light as a cicada's wing; if it is guided, the spring will flow; if it is stopped, the mountain will be peaceful; as slender as the first moon rising from the horizon, and falling as if it were a series of stars." It uses a series of vivid images. Metaphors are used to describe various gestures. Some are light or heavy, some are directed or paused, some are slender or sparse, and the gestures are full of beauty. It is both calligraphy and painting. Although it is not seen, it is better than seeing it.

2. This sentence comes from Sun Guoting's representative work "Book Book", which is a theoretical article on calligraphy written and written by Sun Guoting. It is also a masterpiece of calligraphy that has been praised by the past generations and has been passed down to this day. Become a role model for learning cursive writing. It is an epoch-making treatise on calligraphy in the history of Chinese calligraphy. Sun Guoting put forward his famous view on calligraphy: "What was wrong in ancient times is different now", which laid the foundation for the theory of calligraphy aesthetics.

3. "Shupu" also has a very high achievement in the art of calligraphy. Sun Guoting's calligraphy follows the "two kings" and blends the two into one and expresses his own ideas. The writing style is standardized and legal, with a legacy from the Wei and Jin Dynasties. Mi Fu of the Song Dynasty commented: "No one can master the 'two kings' method of Tang Cao." Gaozong of the Song Dynasty commented: "The Book of Calligraphy is unique in its beautiful words and cursive writing." It can be seen that this Book of Calligraphy is not only calligraphy. It is rich and mature, and there are many incisive and unique insights in the text. It can be said to be a model of both writing and writing.