《旧五代史·后梁·列传四》
罗弘信每有回礼，太祖必当着魏州使者的面朝北方拜揖而接受，说： 六兄是比我年纪大一倍的兄长，兄弟之邦，哪能用通常邻邦的礼仪看待。 
宏信每有答贶，太祖必对魏使北面拜而受之，曰： 六兄比予有倍年之长，兄弟之国，安得以常邻遇之。 
Every time Luo Hongxin returned gifts, the Imperial Ancestor would always bow towards the north and accept them in front of Weizhou's messengers, and he would say, "Sixth elder brother is twice my age, and we are like brothers, so how could I treat you with the normal etiquette for neighboring states?"