Does Liu rely on the Book of Changes?

Does the subject want to ask "Is Liu Youran's Yijing reliable?" ? Reliable.

1. According to the query education network, Mr. Liu is the deputy secretary-general of China Institute of Environmental Sciences for 5,000 years and has been certified by relevant departments.

2. Liu is a famous lecturer in Yijing. The Book of Changes is easy to understand and highly learned. Therefore, Liu believes that the Book of Changes is reliable.