《汉书·传·赵充国辛庆忌传》
只是考虑到自己对用兵的利害最为熟悉，所以为臣之计，先讨伐先零后，罕羌、歹千羌之类不须用兵就可以制服。
独思惟兵利害至熟悉也，于臣之计，先诛先零已，则罕、开之属不烦兵而服矣。
Just considering that he is most familiar with the advantages and disadvantages of using troops, so my minister's plan is to first attack Xianling, then Xianqiang and Diqianqiang and the like do not need to use troops to subdue them.