《太平广记·卷二十九·神仙二十九》
老人说： 你不能马上就进去，暂且在这草房里住上一个来月，以后我自然会来看你。 
老人曰： 汝未可便入，且于此堂中待一月日，后吾自来看汝。 
The old man said, "You can't go in right now. You'll have to stay in this thatched hut for a month. I'll come back to see you." 