"Great Caesar's grandmother, Jack, why didn't you think of that before?"
"I don't know, Bert. It just seemed to come to me as I sat here thinking about it."
"Well, it's a good thing you think once in a while."
"Why don't you help out then, if you think I don't do enough of it?" asked Jack rather snappily.
"Oh, come now," went on Bert. "