Discuss the relationship between calligraphy and writing.

Writing is the primary stage of calligraphy, and calligraphy is an artistic sublimation based on writing. Writing is not equal to calligraphy, and calligraphy is not a simple extension of writing. Although both of them are written with Chinese characters as the carrier, they have distinct boundaries and essential differences. Writing focuses on practical needs, but calligraphy is the expression of calligrapher's temperament and thoughts, and it is a unique art form in China to meet the aesthetic needs of the audience.