Most of them are copies
Historical records record that Hai Rui's calligraphy is "excellent in both regular script and running script, with exquisite brushwork, profound skills, quietness and no charm". Kang Youwei, a famous calligrapher in the late Qing Dynasty, once commented on Hai Rui's calligraphy in his famous book "Guang Yi Zhou Shuang Yi": "His brushwork is extraordinary and impressive." The word "extraordinary" reflects the characteristics of Hai Rui's calligraphy.
Hai Rui's "Farewell Note" is the only authentic ink written by Hai Rui that has been circulated in the world, and it is extremely precious. The content of this post is a letter written by Hai Rui to a friend. Since it is a normal communication, it is written It is casual, showing a kind of idleness throughout the text, but in the dots and drawings, the brushwork is precise and full of energy, without any signs of weakness; the structure is broad and comfortable, showing an aura of wonder without being exciting or vigorous.