 Of the classical sources from which Confucius drew, two were particularly influential in discussions of political legitimation. The Classic of Odes consists of 305 Zhou period regulated lyrics (hence the several translations “songs”, “odes”, or “poems”) and became numbered as one of the Five Classics (Wujing) in the Han dynasty. Critical to a number of these lyrics is the celebration of King Wen of Zhou’s overthrow of the Shang, which is an example of a virtuous person seizing the “Mandate of Heaven”: 