What is the truth of Zhouyi?

Zhouyi was first used as a book of divination in the early Zhou Dynasty, and was later interpreted by various schools, which led to the development of philosophy.

1. Easy, the way everything works in the world is simple, easy to grasp and easy to grasp.

2. change, everything in the world is changing all the time, and nothing is the same.

3. It's not easy. Although everything is constantly changing, there is always a certain law afterwards, and this law will not change casually.

Well, you still have to learn your feelings, so you won't get a satisfactory result.

From ancient times to the present, Zhouyi has two main schools, namely, the Yi-li school and the Xiang-shu school, and then there are the exegetical school and the textual research school, so it seems to be a university question with huge and profound content, which needs to be studied carefully.