To learn the eight characters, you need to read the Book of Changes first. After you are familiar with it, the first book you read is Ziping Zhenquan, then Yuanhai Ziping, and finally Sanming Tonghui. Books written by modern people, especially You must not read those of the new school, nor those of Ren Tieqiao, Xu Lewu, Liang Xiangrun, etc. They are too misleading. As for the Li Hanchen you are talking about, don’t even bother with it. The theory of a hundred gods, the theory of virtuality and reality, and the theory of anti-judgment are all lies. Even he himself has changed it again and again. Just read the ancient books well