Who wrote the Book of Changes? What do you mainly say?

The Book of Changes is the oldest and most profound classic in China. It is said that Fuxi's remarks were summarized and revised (at the same time, the gossip of Yijing was produced). It is the crystallization of China's 5,000-year-old wisdom culture and is known as "the head of the group classics and the source of the avenue". In ancient times, it was the study of emperors and a compulsory skill for politicians, strategists and businessmen. The Book of Changes is essentially a book about divination. "Divination" is to predict the development of future events, and The Book of Changes is a book that summarizes the laws and theories of these predictions. The Book of Changes is one of the four books and five classics of Confucianism. According to the documents of China [1] Junyou Association, it is said that when Qin Shihuang burned books to bury Confucianism, Li Si was spared because of the inclusion of Zhouyi in the book of medical divination. Later, people in all previous dynasties studied Zhouyi, including Fang Jing and Zheng Xuan in Han Dynasty, Wang Bi in Wei and Jin Dynasties, Lu Deming, Li Dingzuo and Kong in Tang Dynasty, Shao Yong, Cheng Yi and Zhu in Song Dynasty. According to documents, Yi Tu's research rose in the Song Dynasty, such as the famous river map, Luo Shu, congenital map, transit map and left sky map. Sixteen pictures after the wind. Pornographic pictures in the room, artistic pictures. The map of the day after tomorrow, the map of Taiji (including the cake pattern of Yin and Yang fish) and the map of Dragon Eight Diagrams are not available in the original book of changes, but were added by later generations according to their own understanding of the book of changes. Follow-up: /shenyangda2705 Follow-up: How many books are there in the Book of Changes?