What's your surname?

The surname of Taishang Laojun is Li. It is also called "Lao Dan" because its name is Bai Yang. Qu Renli was born in Houxiang, Guxian County, Chu (now Lu Yi). He was a famous thinker in the late Spring and Autumn Period and the founder of Taoism. Qu Renli was born in Houxiang, Guxian County, Chu (now Lu Yi). Legend has it that he was born with white hair, so he was called "Lao Zi". I happened to be born under a plum tree, so I pointed to that tree and said, "Li is my family name." Later, Lao Tzu rode a green cow and went west to enter the customs. Yin welcomed Lao Tzu into Cao Jia as a guest of honor. Lao Tzu wrote the Tao Te Ching and left without a trace.

There was a saying in the Eastern Han Dynasty that the position of the old gentleman was too high in Taoism. Ge Hong in the Eastern Jin Dynasty described the image of the old gentleman in detail, enriching the immortal legend of Laozi. In Tang and Song Dynasties, there was a saying of "one gasification and three cleanses", and in Yuan Dynasty, there was a saying of "Laozi was eighty-one", which was a continuation of Laozi's immortal theory. According to Records of the Historian, Laozi was a historian of the Zhou Dynasty. He founded a unique Taoist theory, was one of the founders of the Taoist school, and was regarded as the ancestor of Taoism by later generations. This is Laozi in history.