Introduction to Zhou Dunyi: Zhou Dunyi (1017-1073), known as Mr. Lianxi, was a famous philosopher in the Northern Song Dynasty and recognized by academic circles as the founder of Neo-Confucianism in the Song and Ming Dynasties. He wrote "Tai Chi Illustrations" and "Tongshu" to deduce the principles of yin and yang and the five elements, pioneering Neo-Confucianism in the Song and Ming dynasties. His famous work "The Theory of Love and Lotus" has been praised by the world for thousands of years. In particular, the "History of Song Dynasty·Daoxue Biography" elevated the Neo-Confucian school founded by Zhou Zi to a very high status.