《旧五代史·后唐·庄宗纪七》
那宋光嗣会见李严时，在座上说话，先问契丹强弱，接着又数落秦王的是非，揣度他的心理，可见其情状。
其宋光嗣相见之时，于坐上便有言说，先问契丹强弱，次数秦王是非，度此包藏，可见情状。
When Song Guangsi met with Li Yan, he spoke while seated, first asking about the strength of the Qidan, and then went on to criticize the right and wrong of the King of Qin, trying to fathom his thoughts.