Bu Shang (507 BC – 400 BC),[1] commonly known by his courtesy nameZixia or as Buzi (Master Bu), was an ancient Chinese philosopher and a prominent disciple of Confucius[2] who was considered one of the most accomplished in cultural learning. He was one of the five disciples who took chief responsibility for the transmission of Confucius' teachings. He played a significant role in the transmission of such classics as the Book of Poetry and the I Ching.[1] He established his own school, and taught Marquess Wen of Wei, ruler of Wei,[2] the most powerful state of the early Warring States period.[3]