During the Tang Dynasty, an open mind embraced foreigners from all over the world. Who is the Korean who can still be an official in the Tang Dynasty?

Cui Zhiyuan (857-? ), the word solitary cloud, from Silla County, Wang An was born in Shariangbu, Gyeongju in 857. Silla, a North Korean scholar and poet. He has always been regarded as the originator of Korean Chinese literature by Korean and Korean academic circles, and has the reputation of "Oriental Confucianism" and "the ancestor of Oriental literature". Cui Zhiyuan [1], a scholar and official in the Tang Dynasty, retired in his later years.