《资治通鉴·宋纪·宋纪四》
杨难当利用益州的民怨，借给司马飞龙一支军队，让他率兵进犯并骚扰益州。
难当因民之怨，资飞龙以兵，使侵扰益州。
Yang Nanddang made use of the discontent among the people of Yizhou, and he lent Sima Feilong an army, letting him lead troops to invade and harass Yizhou.