What is Zhouyi? What can you do?

According to legend, The Book of Changes was written by Zhou Wenwang Ji Chang, the ancestor of the Zhou Dynasty, who was imprisoned in Shangdu for three years by Shang Zhouwang. Sometimes called the Book of Changes, it is mainly a book about divination. In ancient times (in fact, even today, it's not too bad), people didn't know much about the mechanism and causes of some natural phenomena, couldn't fully understand and know what happened, and were full of expectations for the future, so they were very keen on divination and divination. Zhouyi is the product of this demand.

The Book of Changes summed up 64 hexagrams and 384 hexagrams. It is also one of the "classics" in the important Confucian classics "Four Books and Five Classics". Take a place in China's cultural system.