《论衡·卷六·龙虚篇》
如果以为龙神是上天的使者，那么就像贤臣是君主的使臣一样，会定时回去报告，用不着来取它。
如以龙神为天使，犹贤臣为君使也，反报有时，无为取也。
If we think that the dragon god is a messenger of heaven, just as a good minister is a messenger of the monarch, then it would go back to report at a set time and there would be no need to take it.