《宋史·列传·卷二十一》
一天晚上回家从宫前走过，太祖正与中黄门数人偶然登明德门西楼，温叟的前导人员偷偷地知道了，告诉他。
一日晚归由阙前，太祖方与中黄门数人偶登明德门西阙，前驺者潜知之，以白温叟。
One night, Wen Sou passed by the palace on his way home. Taizu was with several eunuchs from the middle of the palace and happened to go up to the west building of Mingdemen. Wen Sou's leading personnel secretly learned about it and told him.