What do "stone spirit" and "bookish spirit" mean respectively?

"Stone Spirit" is a broad, vigorous and simple expression style in China's traditional calligraphy, and it is a special aesthetic experience for people.

"bookish spirit" is the elegant breath revealed in calligraphy works, and it is the meaning and grace revealed in calligraphy.

Calligraphy and stone are two important aesthetic categories in calligraphy evaluation, and they are also the artistic realm pursued by calligraphers. Strengthening the study of these two aesthetic categories is of great significance for us to improve our calligraphy appreciation ability and creative level.

From the internal performance, "bookish spirit" is an overflow beauty of cultural temperament under the influence of calligrapher's knowledge, an elegant charm and a refined temperament emitted by works. From the external performance, most of the "bookish" works are fresh and elegant, beautiful and smooth, with distinct personality, certain statutes, strong emotional color, distinctive temperament and noble brushwork, which is worth emulating.

The "stone spirit" depends on the form of the work. Only by actively participating in the creative activities of appreciation can the viewer feel the stone spirit strongly. "Gold" refers to copper, bronze and bronze with inscriptions and characters on it; "Stone" refers to stone carving, stone carving with words. Most of these characters are chiseled or cast, and the strokes often form awn angles, so the strokes are vigorous and fierce, with high spirits and fierce momentum. After the baptism of history, these objects have changed to some extent on the surface, and the outer edges of the lines are soft, giving people a Gu Zhuo, simple, pure and blurred aesthetic feeling.