《资治通鉴·汉纪·汉纪四十八》
倘若用骑兵五千人、步兵一万人、战车三千辆，用三个冬季和两个夏季的时间，足可以击破平定，约计用费为钱五十四亿。这样，就可以使东羌诸部尽破，匈奴永远归服，迁徙到内地的郡县官府，也可以迁回故地。
若以骑五千、步万人、车三千两，三冬二夏，足以破定，无虑用费为钱五十四亿，如此，则可令群羌破尽，匈奴长服，内徙郡县，得反本土。
If five thousand cavalry, ten thousand infantry, and three thousand war chariots are used, and they take three winters and two summers, it will be enough to defeat and pacify them. It is estimated that it will cost around five billion, four hundred million qian. In this way, it will be possible to completely defeat all the various tribes of the Eastern Qiang, the Xiongnu will submit permanently, and the commandery and county offices that were migrated to the interior can also return to their original locations.