《资治通鉴·宋纪·宋纪五》
当初，北燕王冯弘来到辽东以后，高丽王高琏派遣使臣慰劳他说： 龙城王冯君，光临敝国荒郊，人马都很劳苦吧？ 
初，燕王弘至辽东，高丽王琏遣使劳之曰： 龙城王冯君，爱适野次，士马劳乎？ 
When the Northern Yan King Feng Hong later arrived at Liaodong, King Gao Lian of Goguryeo sent an envoy to comfort him: King Feng of Longcheng, you have arrived at our humble country, Both your man and horse must be very tired?