Exploration: the Nature of the Universe

An ordinary human being meets a teacher from a higher civilization. In the process of learning and exploring the world, he gradually discovers his mission and the secrets hidden in himself. (This book involves a lot of complex knowledge and strives to be well-founded and logical. It covers too many areas of knowledge. In addition to conventional subjects such as physics and astronomy, it also involves legends, traditional Chinese medicine, biology, history, theological knowledge, etc. Please prepare auxiliary tools for easy understanding)