“Then you can do us a favour,” said the watchman, “if you will tell us why our market-fountain, which once flowed with wine has become dry, and no longer gives even water?”

“That you shall know,” answered he; “only wait until I come back.”

Then he went farther and came to another town, and there also the gatekeeper asked him what was his trade, and what he knew. “I know everything,” answered he.

“Then you can do us a favour and tell us why a tree in our town which once bore golden apples now does not even put forth leaves?”

“You shall know that,” answered he; “only wait until I come back.”

Then he went on and came to a wide river over which he must go. The ferryman asked him what his trade was, and what he knew. “I know everything,” answered he.