《后汉书·列传·窦何列传》
现在人主的灵柩在前殿，将军受诏统率禁兵，不应该随便出入宫省。 
今大行在前殿，将军受诏领禁兵，不宜轻出入宫省。 
Now the emperor's coffin is in the front hall, and the general has been ordered to lead the imperial guards. He should not enter and leave the palace at will.