What kind of person is Sun Simiao?

Sun Simiao did not seek fame and fortune, evaded imperial edicts three times, and lived in seclusion in Taibai Mountain, Zhong Nanshan, Emei Mountain and Wutai Mountain (Sun Simiao's hometown, now known as Wang Yao) for decades. He lived in seclusion in the mountains and forests, kept an alchemist, practiced medicine, and studied classics and medical skills. In order to see a doctor, Sun Simiao was not afraid of hardships and traveled thousands of miles to Wan Li for medical treatment. His medical knowledge and skills have reached a profound and exquisite level, which laid the foundation for him to become a "great doctor" and write a book.