《百战奇略·第六卷·死战》
是时，楚军声威已经雄冠诸侯。此前，巨鹿城下已有诸侯援军十多个营垒，但却没有敢于出战的；到了楚军进击秦军的时候，诸侯军的将领们都站在壁垒上观望而不出兵助战。
当是时，楚兵冠诸侯，诸侯救钜鹿下者十余壁，莫敢纵兵。及楚兵击秦军，诸侯皆从壁上观。
At that time, the Chu army's prestige was already the strongest among the vassal states. Before that, there were more than ten camps of reinforcements from vassal states under the city of Julu, but none of them dared to go into battle; when the Chu army attacked the Qin army, the generals of the vassal states all stood on the battlements and watched without sending troops to help.