《新唐书·列传·卷五十》
景云二年，皇帝对侍臣说： 有术家上言，五天之内将会有急兵入营，你们为我做好防备。 
景云二年，帝谓侍臣曰： 术家言五日内有急兵入宫，为我备之。 
In the second year of Jingyun, the emperor said to the attendants: "Some Taoist priests said that in five days, there will be an urgent army entering the camp, so you should prepare for me."