This is the appropriate principle. Then what hope do patients have? In my youth, I meticulously studied this profession, nurturing a compassionate heart internally to save lives, and mastering various methods of compounding medicines externally. Having practiced for over forty years, I became accustomed to formulas in mind and familiar with symptoms in sight. Whether common or unusual, conditions were often cured upon contact. Although I may have benefited from the spiritual efficacy of Qi Bo and Huang Di (mythical founders of Chinese Medicine), bringing the dead back to life and restoring flesh to bones, it still offers some minor benefit to the world. Reflecting on my own mind, however, I feel my thoughts are nearly exhausted. Since I realize I am merely one individual among many practitioners, and that this craft will accompany me until death, with limited scope for charitable acts, who among those who love goodness is not like me? Why should we not widely disseminate this knowledge rather than concealing it in the "Elbow Manual" (a term referring to concise medical texts kept for emergencies)? Thus, utilizing my remaining strength, I compiled various surgical conditions, categorized them by type, governed them with treatises, supplemented them with songs for memorization, and established rules. Even trivial ailments like scabies and tinea were not omitted. Below each treatise, annotations were added to reveal the root causes and developments of Yin-Yang deficiency and excess. Below each formula, four-line verses were provided to illustrate the harmonious coordination of Sovereign, Minister, Assistant, and Courier herbs. Following the illustrations, ten laws for naming sores were appended to demonstrate that diseases cannot be guessed arbitrarily, and medicines...