Mr Zhai is a member of China Zhouyi Research Association. He studied under Mr. Shao for decades and was also a lecturer in the Book of Changes. He graduated from Renmin University of China, a domestic institution of higher learning, and is also the dean of Eagle Eye Institute of Entropy, so his level of Yijing is very high.
The Book of Changes is an ancient classic that explains the changes of everything in the world. It is also a profound dialectical philosophical work, including Lianshan, Guizang and Zhouyi.