The right army of Changxiao is called the Saint of Grass. You must know that Mojie is Manjushri
This is a collection of couplets.
The right army with a long smile is called the sage of grass: It comes from Su Dongpo's poem "The right army with a long smile is called the sage of grass. It is not as good as Dongye singing in poetry."
You must know that Mojie is Manjusri: From another poem by Su Dongpo: "A technical article is of no use, you must know that Mojie is Manjusri."
Youjun: refers to Wang Xizhi. Wang Xizhi, an official to the general of the Right Army, was an internal historian of Kuaiji. He was a great calligrapher in the Eastern Jin Dynasty and was revered as the "Sage of Calligraphy" by later generations.
Mojie: Wang Wei, also known as Mojie, is known as the "Poetry Buddha".
Manjushri: Manjushri Bodhisattva and Samantabhadra Bodhisattva are both the attendants of Sakyamuni Buddha. They respectively represent the special virtues of Buddha’s wisdom and Buddha’s wisdom.
The recognized sage of grass is Zhang Xu, a calligrapher of the Tang Dynasty.