《资治通鉴·宋纪·宋纪八》
文帝担心不能得志的人会再次拥戴刘义康进行叛乱，太子刘劭和武陵王刘骏、尚书左仆射何尚之也不断提醒文帝应该尽早决定怎么办，文帝这才派遣中书舍人严龙携带毒药前去，命令刘义康服药自杀，刘义康拒绝服药，说： 佛教不允许人自杀，你们怎么方便就怎么办吧。 
上虑不逞之人复奉义康为乱；太子劭及武陵王骏、尚书左仆射何尚之屡启宜早为之所；上乃遣中书舍人严龙赍药赐义康死。义康不肯服，曰： 佛教不许自杀；愿随宜处分。 
Emperor Wen was worried that those who were not in power would once again support Liu Yikang in rebellion, Crown Prince Liu Shao and Wuling King Liu Jun, and Minister of the Book of Books He Shangzhi also constantly reminded Emperor Wen that he should decide what to do as soon as possible. Emperor Wen sent Zhongshu Sheren Yanlong to carry the poison. Go, order Liu Yikang to take medicine and commit suicide. Liu Yikang refused to take the medicine and said: Buddhism does not allow people to commit suicide. You do whatever is convenient. 