古人用兵,有“十面埋伏”之法。古人写文章亦有此法。《汉书·韩信传》的开篇及中篇,用的就是此法。为便于分析起见,先把此传开篇原文抄录数段如下:“韩信,淮阴人也。家贫无行,不能推择(被推举)为吏,又不能治生为商贾,常从人寄食。其母死无以葬,乃行营高燥地,令傍可置万家者。信从下乡 Ancients used soldiers, there are “ambush” law. Ancients write articles also have this method. “Han Han Biography,” the opening and the middle chapter, this method is used. For the sake of analysis, we first copy the following passages: "Han Xin, Huaiyin people also. Poverty in the family, can not choose (being elected) officials, they can not rule for the merchants, often eat from people There is no funeral for his mother’s death, but his camp is high and dry, so that people in Ponggong can be set aside for 10,000