The stone cloud in front of the cliff is qualitative, and the sound of spring and moon flows out of the sill.

This couplet was presented in Dashan Yangming College in Xunxian County, Henan Province, which has two exquisite couplets. Yue: thin yellow wears a stone hole/ancient vines are loose around the body; The stone refining cloud in front of the rock is qualitative/there is a sound of spring and moon flowing out of the sill; The phrase "the ancient vine is loose around the body" and another phrase "the flowing spring and the sound of the moon" vividly outline the quiet and quiet natural environment of the academy.

This couplet comes from: the fifth couplet of Ouyang Lvgeng's calligraphy and Liquan's inscription.

Ou Yangxun was born in 557 AD. Although it has been more than 1,4 years since now, his calligraphy art still lasts forever. He was from the Southern Dynasties in the Wei, Jin, Southern and Northern Dynasties. In the Tang Dynasty, Emperor Taizong Li Shishi appreciated his talent and calligraphy very much and made him an official. Because he was a prince, he was called "Ouyang Lvgeng" by later generations.

In this episode, Ou Yangxun Jiucheng Palace's Liquan inscription in Tang Dynasty is written with a square pen. In the steep, there is a deliberate way to show off the pavilion, and the law is strict and there is no flattery. It has always been called the extreme rule of opening a script, and it is the main model for beginners to open a script. A collection of 15 Tang poems with seven unique works, such as Du Mu and Li Shangyin, are catchy to read, with poetic appreciation. Reading poems, writing poems, practicing calligraphy and appreciating paintings together can meet the needs of people to learn and appreciate traditional culture and art now. In addition, the writing style of works and the introduction of Mi Zige bring great convenience to beginners.