Late in the reign of Ch'eng Hua of Ming Dynasty(1487 A.D.),one day right after the Chinese Lantern Festival (The Lantern Festival is usually on Jan.15 of the Chinese lunar calender) a thin,pallid old man in patched clothing arrived in Chou Chia Chi village of Yanchou Prefecture in Shantung Province.His name was Chou Chin,and he had been hired to teach the children of the village.