Wang Xizhi, a famous biography, was transformed into a character in Mo Chi: Wang Xizhi, a famous calligrapher in the Eastern Jin Dynasty, was known as a "book saint". His calligraphy is unique and far-reaching, and his masterpiece Preface to Lanting Collection is known as "the best book in the world".

The taste of Xihe River yearns for Zhang Zhi, learning books in Linchi, and the water in the pool is black. -Ceng Gong's Mo Chi Ji.

Explanation: Wang Xizhi used to imitate Zhang Zhi, practicing calligraphy by the pond and dyeing the water black.