Praising the high level of calligraphy or articles can be described by idioms. For example, Guo Moruo wrote couplets for Pu Songling's former residence: "Writing ghosts and writing demons is superior, stabbing greed and stabbing abuse."
Three-point approach comes from Zhang Huai's "Wang Xizhi of Shu Duan" in Tang Dynasty. "When the Jin Emperor offered sacrifices to the northern suburbs, I wish the edition a better one." Li Tou's figure comes from Zhao Yi's "Ou Bei Shi Hua" in the Qing Dynasty: "(Lu You Shi) was written first; Forced through the back of the paper. " Smooth brushwork, delicate brushwork, compromise, elegance and beauty, boundless vigor and clear brushwork.