“Oh, I can’t tell you how. It simply happens.”

“But I want to understand it. I—I must understand.”

“You shouldn’t put him off like that, Paul,” Elizabeth said. “He always did want to understand things.”

“But when I don’t understand them myself—”

“You’d better take him to Kant, or Hegel.”

“I should prefer Kant,” said Mr. Spalding.

“Well, Kant then. You’ll have to get into his state first.”

“How do I do that?”

“It’s very simple. You just think him up and ask him if you can come in.”

Elizabeth explained. “Like ringing somebody up, you know, and asking if you can come and call.”