《三国志·魏书·袁张凉国田王邴管传》
邴原认为黄巾军正是兴盛之时，就到了辽东郡，他跟同郡人刘政都有勇气胆略豪侠之气。
原以黄巾方盛，遂至辽东，与同郡刘政俱有勇略雄气。
Bing Yuan believed that the Yellow Turban Army was in full swing, so he went to Liaodong County. He and his fellow Liu Zheng had courage and bravery.