It means to be one with light, to turn into worldly dust, to display one's talents with the changes of the times, and the gentle light is as unobtrusive as the dust, to adapt to the current situation, to bend and stretch slowly, to hide one's wings and wait for time, and to pay attention to the changes at any time.
from "The Book of Jin Xuandi Ji Lun": "Harmony with the light, with the time; Squatting and diving, thinking of the wind and cloud. "
The Book of Jin Xuandi Ji is a biography of Sima Yi. The Book of Jin, one of the twenty-four histories of China, was co-authored by Tang Fang Xuanling and others, with 21 authors. In the recorded history, from the early years of Sima Yi in the Three Kingdoms Period to the second year of Emperor Yuan Xi in the Eastern Jin Dynasty (42 years), Emperor Wu of Song abolished the Jin Emperor and became Jin in the Song Dynasty.
at the same time, the book describes the situation of the sixteen countries' political power in the form of "records". The original narrative and catalogue each contain one volume, ten volumes of Emperor Ji, twenty volumes of local chronicles, seventy volumes of biographies, thirty volumes of records and one hundred and thirty-two volumes of records. Later, the narrative examples and catalogues were lost, and today there are 13 volumes.
Extended information:
Character introduction
Sima Yi (179—September 7, 251) was born in Xiaojinli, wen county, Hanoi (now wen county, Jiaozuo City, Henan Province). During the Three Kingdoms period, Wei was a statesman and military strategist, a powerful minister of Wei, and the founder of the Western Jin Dynasty.
since childhood, Sima yi has been intelligent and knowledgeable, and he has been obedient to Confucianism. Because of Cao Cao's family background, Sima Yi once refused the official position granted by Cao Cao. However, in the 13th year of Jian 'an (28), after Cao Cao became prime minister, Sima Yi was forced to become a literary official. Because Sima Yi once supported Cao Cao as emperor, he gradually won the trust of Cao Cao.
Cao Cao conferred the title of Queen Wei, and took Sima Yi as the son of the prince to help Cao Pi and help him win the battle for the position. On his deathbed, Cao Pi appointed Sima Yi and Cao Zhen as ministers of Fuzheng, and assisted Cao Cao in Wei Mingdi. In Ming Di, Sima Yi moved to Fujun General, General, Qiu and other important positions. Ming Di collapse, entrust an orphan to young emperor Cao Fang in sima yi and Cao Shuang.
After Cao Fang succeeded to the throne, Sima Yi was ostracized by Cao Shuang and promoted to be a teacher with no real power. In the first ten years (249), Sima Yi took advantage of Cao Shuang to accompany Cao Fang from Luoyang to Ping Ling to offer sacrifices to the mausoleum, set up a coup and took control of Luoyang in Kyoto.
since then, the military and political power of Cao Wei has fallen into Sima's hands, which is called the change of Gao Pingling in history. Sima Yi was good at making strange plans and made many expeditions. He once led an army to capture and behead Mengda, and twice led an army to successfully resist Zhuge Liang's Northern Expedition and pacify Liaodong. It has made important contributions to the development of farming economy such as land reclamation and water conservancy.
In the third year of Jiaping (251), Sima Yi died of illness at the age of 73, resigned from the county magistrate and was buried in Xuanwen, shouyangshan and posthumous title. The second son, Si Mazhao, named the queen of Jin and chased Sima Yi as Xuanwang. After Sima Yan proclaimed himself emperor, he revered Sima Yi as Emperor Xuan, with the temple name Gaozu.
Baidu Encyclopedia-Jin Shu Xuan Di Ji
Baidu Encyclopedia-Sima Yi