《史记·七十列传·范雎蔡泽列传》
您进兵去攻荥阳，那么韩国由巩县通成皋的道路被堵住；在北面切断太行山要道，那么上党的军队就不能南下。
王下兵而攻荥阳，则巩、成皋之道不通；北断太行之道，则上党之师不下。
If you advance to attack Xingyang, then the route from Gong Xian to Chenggao will be blocked; if you cut off the Taihang Pass in the north, then the Shangdang Army will not be able to move south.