Mr. Zhu Shouwen was born into a family with a profound understanding of traditional Chinese medicine, and was heavily influenced by traditional Chinese culture from his youth. Those ancient books and profound philosophies, like seeds, are deeply rooted in his heart and fostered his long-lasting thinking about and yearning for the universe and life.As a determined tourist, he roamed around the cultural corridors of ancient and contemporary societies, exploring wisdom and truth that withstand the test of time.He and the philosopher master Laozi are like-minded, and he holds a deep love for Tao Te Ching. The classics that have been told for thousands of years seem to mentor his soul and lead him to a world full of wisdom and mysteries. He learns from the book, integrates Laozi's philosophical thinking with his own life experience, and creates his unique outlooks on the universe and life.Like a brave explorer, he crosses the wide gaps between science and philosophy, blends the genesis of mythology, physics, metaphysics, religious theology and philosophical thinking. His thoughts are profound and broad, both rational and emotional, and connect the heaven and earth like a splendid rainbow.He is an elegant poet, writing his thoughts and feelings with poetic words. These words, as limpid as water, as gentle as moonlight, make readers appreciate beauty and spiritual purification.The book Kan's Theorem is the culmination of his thoughts and feelings over many years. Like a bright pearl, it is embedded within the treasure of Chinese culture. It allows one to get a glimpse of the author's inner world and profound thinking, and also enables us to feel the profoundness and everlasting charisma of Chinese culture.