《管子·治国》
所以，舜第一次率民迁安发展农耕建成 邑 ，第二次迁徒建成 都 ，第三次迁徒建成 国 。
故舜一徙成邑，二徙成都，参徙成国。
Therefore, Shun led the people to move to An and develop agriculture to build a city for the first time, and then moved to build a capital for the second time, and moved to build a country for the third time.