This couplet calls Zhou's surname Ji. The second couplet refers to Song and Zhou Dunyi.
2, the cold plum fragrance in the snow is not cold; Leek tastes sweet in early spring.
The Guide to the National Code of China was written by Zhou Qing of Qi State, with the word Yan Lun. He served as the principal book of Yizhou in the Song Dynasty, and after joining the State of Qi, he became an adviser to Wang Qianjun, directly serving Dr. Guo Zi and Yunnan Province. Industrial calligraphy, especially good at official script, familiar with Laozi and Zhouyi, and good at Buddhism. He is the author of three essays and four tones. Life is poor and indifferent, and vegetables have replaced meat for many years. Prince Wen Huidi once asked him what tastes best, and he replied, "Early leeks in early spring and fermented grains (Chinese cabbage) in late autumn."