the warring States policy qi ce iv: the husband and jade were born in the mountains, but the system was broken. It is not rich, but it is endless.

Liu Zhou, Southern and Northern Dynasties: The jade of Jing's cave must contain flaws, such as pearls of dragons and tiny gaps.

Ming Xue Xuan: The pearls are self-flattering, and the Jade Mount is full of splendor, which is important for self-cultivation.

Han Kong Rong: If Zhu Yu comes without a hitch, he will be kind to others, and the virtuous will be enough.

Book of Rites, Learning Notes: If a jade is uncut and unworthy, people will not learn and know.