What is mainly written in Tao Te Ching

dào dé jīnɡ

refers to Laozi.

Shiji - Laozi Hanfei Liezhuan (史记-老子韩非列传)：Laozi (legendary around 600 years before - around 470 years before) was an ancient Chinese thinker. Surnamed Li Er, character Boyang, Chu state bitter county (one said to be Henan Luyi county east, one said to be Anhui Huiyang) Knight township Qu Ren Li people, some say also known as Laozi. Some say that Laozi was also known as Laozi. "Guan Ling Yin Xi said, "I am going to be hidden, so I am going to write a book for me. So Laozi wrote the next and the next book, saying more than 5,000 words on the meaning of morality and left." Han Heshang Gong made "Laozi chapter and sentence", divided into eighty-one chapters, the former thirty-seven chapters for the "Taoist scripture", after forty-four chapters for the "moral scripture", so there is the name of the "Taoist scripture". But in 1973, Changsha Mawangdui No. 3 Han Tomb unearthed a copy of Laozi, "Virtue Scripture" in the "Taoist Scripture" before. Taoism holds it as one of the major classics. There are several versions of the Tao Te Ching, the following "Tao Te Ching" pass book is the most common.