As for the relationship between calligraphy and vision and mind, it is of course very close. Some great politicians have distinct personalities, which, in his words, may not be comfortable enough (not in line with the public's taste), but they do reflect the temperament that ordinary people do not have; The relationship between a calligraphy work and the author's vision and mind, like the relationship between the overall effect and the theme of a poem, basically determines the tone and how far the work can go.