《新唐书·列传·卷一百四十五》
其次子泰自立为王，率众固守。义慈孙文思说： 王和太子都还在，叔叔自立为王，假如唐兵解围而去，将会拿我父子怎么办？ 
次子泰自立为王，率众固守，义慈孙文思曰： 王、太子固在，叔乃自王，若唐兵解去，如我父子何？ 
Buyeo, his second son, proclaimed himself king and led his followers in a staunch defense. Uija's grandson, Munsa, said: "Both the king and the crown prince are still alive. If my uncle proclaims himself king, what will the Tang soldiers do to us father and son if they lift the siege and leave?"