There are numerous mysteries in the vast universe, and Kan’s Theorem is the key to that door of wisdom. This work, written by Mr. Zhu Shouwen and edited by Dr. Xu Yanfen, lead us to a mysterious and charming world with profound philosophy and unique opinions. Kan’s Theorem is a theorem collection which deeply reflects upon the mysteries of celestial origin and law, and provides a consummate interpretation of Laozi’s profound philosophical thoughts in the Tao Te Ching. In this work, Mr. Zhu blends the genesis of mythology, physics, metaphysics, religious theology and philosophical thinking, and shows us a unique and complete outlook on the universe. Utilizing a tactful integration of the profound philosophical thoughts from the Tao Te Ching and cosmographic mysteries, this book shows us a cosmic picture of the unity of heaven and man. It vividly depicts the harmonious co-existence between celestial bodies, and allows us to deeply realize the intrinsic connection and interdependence within the cosmic inventory. The book is not only about cosmology but also the philosophy of life. Through deep interpretation of Laozi’s thoughts and by combining the Taoist wisdom and outlook on the universe, it offers us a brand-new thinking pattern. It tells us that we can feel harmonious and satisfied from within when we understand the laws of the universe and stay consistent with morality. Then we can find true happiness and serenity from life. Kan’s Theorem is not only a theoretical work but also an operation guideline with practical guidance. It leads us to be based in morality, respect nature and pursue inner peace and harmony by using Laozi’s philosophical thoughts in life. We can be enlightened and encouraged whether we are in hardships and difficulties, or are pursuing career success and happiness. To sum up, Kan’s Theorem integrates wisdom, philosophy and practice. If you desire to explore the mysteries of the universe, comprehend the truth of life, and appreciate inner harmony and satisfaction, then read this book, and let it lead you to a journey full of wisdom and enlightenment!