“No good,” Jack shook his head.

“Why not?”

“Son, I’m surprised at your ignorance. You’d better go dig up Archi. and ask him about his principle.

“But I don’t see why—”

“Of course you don’t and that’s the reason I’m so surprised.”

“Well, when you get ready perhaps you will enlighten me.”

“Certainly. But first let me ask you a question.”

“Shoot.”

“When you stick your finger in the water and pull it out does it leave a hole?”

“Well that’s a question that would admit of considerable argument from a theoretical point of view but I think we can safely agree that the hole, if there was a hole, would not remain for an indefinite period of time.”