《资治通鉴·晋纪·晋纪十八》
如果我们贪图小利，夷人不能忍受，必定领兵前来侵犯，这正是导致祸乱的根由，不是用以抵御敌寇的好方法。
夷中利深，晋人贪利，夷不堪命，必引虏入寇。此乃致祸之由，非御寇也。
If we covet small benefits, those barbarians can’t stand it, they will definitely lead an army to invade, which is exactly the root cause of the disaster, not a good way to resist the enemy.