《资治通鉴·汉纪·汉纪十八》
然而，有见识的人则认为羌人已到穷途末路，即使不发兵出击，也会很快自行投降。
然有识者以为虏势穷困，兵虽不出，必自服矣。
However, those with true insight believe that the Qiang people have already reached the end of their rope, and that even if no troops had been sent to attack them, they would have soon surrendered on their own.