Kong Zang,Kong Cong's son and the eleventh generations of grandsons of Confucius, lived in Lu state in West Han Dynasty. It is not quite clear when he was born. He was engaged as different top officials. In the early days of West Han Dynasty, Kong Zang wasn't satisfied with different confucianism's theories and had ever wrote a letter to his brother Kong Anguo about his views. Later he submitted a written statement to the emperor to claim:"" I profess study of Confucian classics all generations, bear handed downly, as training law. Nowadays there are great numbers of Confucianism's theories which mix with absurd speeches, so it is difficult to teach originally far. I beg for too often, official of allusion quatation property, with discipline of Anguo ancient saying of key link, Enable hanging down the heir forever. " In officer several year, wrote books 10 , compose 24.