Where does this sentence "People are like jade, jade is like a gentleman, knowing each other and smiling warmly, plum is like snow, snow is like people, and there is no dust at all" come from?

1. The original poem is as follows:

More leakage [Snow, Chinese and Korean Uncle Summer Banquet] Dynasty: Song Dynasty Author: Xiang Ziyin

Small window, under the thin shadow. Let's make up the mirror. Mei is like snow, and snow is like people. There is no dust at all.

It's cold at dusk and people are ringing. It is even more hazy. Mountains are like jade, and jade is like a king. Look at each other with a smile.

2. The author introduces:

Xiangziyin

Yan (y and n) (1085-1152) was born in Linjiang (now Qingjiang County, Jiangxi Province). Three years (1 100) of Fu Yuan, a philosopher, supplemented the official shadow. Hui Zong Xuanhe, an exhausted official of Gyeonggi, served as the deputy ambassador for transshipment and shipment. Gao Zongjian Yan was appointed as the shipping ambassador to Jianghuai. Sue and Li Gangshan and Li Gang stopped their jobs and resigned.