《资治通鉴·后梁纪·后梁纪二》
后梁主管观察天象的官员说： 下月月亮亏缺不利于在外面住宿军队。 
司天言： 来月太阴亏，不利宿兵于外。 
The officer of Later Liang who was in charge of watching the astronomical phenomena said: "Next month the moon will be deficient, which is not beneficial for stationing troops outside."