How do others evaluate the work "Thirteen Lines of Luo Shen Fu"?

What is particularly worth mentioning is Wang Xianzhi's "Thirteen Lines of Luo Shen Fu" in lower case. In the existing handwriting of 13 lines in Luo Shen Fu, the calligraphy style of "Luo Shen Fu" is completely presented to the world, which is characterized by loose structure, elegant brushwork and elegant style. Dong Qichang commented: "Every big order, the thirteen lines of Luo Shenfu are extremely popular." Zhao Mengfu commented: "Calligraphy and painting are wonderful, and ink is flying."