《汉书·传·韩彭英卢吴传》
汉王在彭城作战，项王还没有离开齐国，大王应当全部出动淮南国的军队，昼夜兼程赶到彭城投入会战。
夫汉王战于彭城，项王未出齐也，大王宜扫淮南之众，日夜会战彭城下。
King Han is fighting in Pengcheng, and King Xiang has not yet left Qi. Your Highness should have sent out all the troops of Huainan, traveled day and night to Pengcheng, and joined the battle.