《资治通鉴·汉纪·汉纪三十三》
我依靠自己的营垒作战，精锐百倍，以逸待劳，以实攻虚，十天之内，可以获得张步首级。 
臣依营而战，精锐百倍，以逸待劳，以实击虚，旬日之间，步首可获。 
I rely on my own camp to fight, with a hundred times more elites, to relax and wait for work, to attack the emptiness with reality, within ten days, I can get Zhang Pu's head.