In the classic works of China's traditional culture, it is known as the first of the six classics, and San Xuan's one is

The Book of Changes, also known as the Book of Changes, is one of the oldest documents in China. It is said that it was written by Zhou Wenwang, and it was written in the Zhou Dynasty, so it is called Zhouyi. In fact, the Book of Changes is a knowledge that has been gradually developed and perfected in the history of China. English translation is the Book of Changes, which means a book that studies changes. In fact, this kind of translation can't explain the essence of Yijing (many Chinese have lost their original intention after being translated into English).

The Book of Changes is called the first of the Six Classics by Confucianism, and it is one of San Xuan. The Book of Changes describes the change of state with a set of symbol systems, and shows the philosophy and cosmology of China's classical culture. Its central idea is to describe the changes of everything in the world with the unity of opposites of Yin and Yang.

Six Classics: The Book of Songs, Shangshu, Yili, Jing Yue, Zhouyi and Chunqiu.

San Xuan; Laozi, Zhuangzi, Zhouyi.