《资治通鉴·汉纪·汉纪五十四》
但很久未能攻克，兵士十分疲惫，他打算撤军。荀攸、郭嘉说： 吕布有勇无谋，现在连战连败，锐气已衰。
三军以将为主，主衰则军无奋意。
But they were unable to capture the city for a long time, and the soldiers were very tired. He planned to withdraw his troops. Xun You and Guo Jia said: Lu Bu is brave but unwise, and now he has suffered a series of defeats and his morale has declined.