《资治通鉴·后周纪·后周纪一》
刘光辅到南唐进贡，南唐主待他很优厚，刘光辅秘密进言道： 湖南百姓疲惫，君主骄横，可以攻取啊。 
刘光辅之入贡于唐也，唐主待之厚，光辅密言： 湖南民疲主骄，可取也。 
Liu Guangfu went to southern Tang to pay tribute, and the lord of southern Tang treated him very favorably. Liu Guangfu secretly advised him, "The people of Hunan are exhausted, and the monarch is arrogant. You can attack and seize it."