What kind of calligraphy aesthetic thought is reflected behind the pen-and-ink diagram?

What kind of calligraphy aesthetic thought is reflected behind the pen-and-ink drawing is as follows:

The unique thought of China's calligraphy aesthetics is reflected in the brush-and-ink schema, including the following aspects:

Rhythm and dynamic beauty: Pen drawing emphasizes the rhythm and dynamic beauty of calligraphy, and expresses the rhythm and dynamic sense of calligraphy through the changes of stroke length, thickness, straightness and rigidity. This sense of rhythm and movement not only endows the calligraphy works with visual beauty, but also endows them with emotion and life.

Expression of strength and qi: brushwork diagram pays attention to the expression of strength and qi in calligraphy, and expresses the sense of strength and breath in calligraphy through the changes of strokes, lifting and pressure. This expression of force and qi not only makes calligraphy works have visual impact, but also arouses readers' emotions.

Blank space between reality and reality: Pen drawing pays attention to the treatment of blank space between reality and reality, and expresses the sense of space and hierarchy of calligraphy through the changes of stroke density, aggregation and dispersion. This treatment of emptiness and reality not only makes the calligraphy works visually comfortable, but also enhances the artistic expression of the works.

Personality and style: The brushwork emphasizes the personality and style of calligraphy, and encourages the author to show his own characteristics and style in his creation and his unique artistic charm. This expression of personality and style not only makes calligraphy works visually unique, but also endows them with profound cultural connotations.