《资治通鉴·后周纪·后周纪四》
李重进有一天单人匹马到张永德营帐，从容自如地欢宴饮酒，对张永德说： 我和您有幸因是皇上的心腹而都做将帅，为何相互疑忌如此之深呢？ 
重进一日单骑诣永德营，从容宴饮，谓永德曰： 吾与公幸以肺腑俱为将帅，奚相疑若此之深邪？ 
One day, Li Zhongjin single-handedly went to Zhang Yongde's camp freely and comfortably feasting and drinking, and said to Zhang Yongde: I am lucky with you to be generals because we are the Emperor's close friend, why do we suspect each other so much? 