The five elements are metal, wood, water, fire and earth. The ancient Chinese believed that everything in the world is composed of these five elements. This is somewhat similar to the atomic theory in modern physics. However, the Five Elements theory also mysteriously corresponds to the position, color, etc., Which are recorded in many of the eight chapters of the Book of Changes. So are they really that mysterious? Do they really have unusual powers? If the answer is no, then why have our ancestors been so obsessed with it for thousands of years?