Sage Principles: Cheng Man-ch'ing's Discourses on Tàijí MedicineCheng Man-ch'ing (1902-1975) was known as a "Master of Five Excellences" for his talents in poetry, calligraphy, painting, tàijí quán (tai chi chuan), and Chinese medicine. To him, these arts were deeply woven together in theory and practice. Professor Cheng was responsible for introducing tàijí to the West, becoming one of the art's most influential teachers while using his medical knowledge to heal and guide others. In this never-before published book of his medical discourses, Professor Cheng shares his unique insights on health, based on the ancient Chinese classics of medicine and philosophy. Students of tàijí quán and East Asian medicine practitioners will find many pearls of wisdom from a true master in the pages of this book.