《宋史·志·卷四》
明亮，就吉利；微细，那个地方有战争，军中粮食运输有阻碍。
明，则吉；微细，其所有兵，军食不通。
If it is bright, it will be auspicious; if it is subtle, there will be war in that place, and the transportation of food in the army will be hindered.