reached the Valley of Holiness, about my having prophesied your coming and the very hour of your arrival, two or three days beforehand.”

“Indeed, yes, I mind it now.”

“Well, I could have done it as much as forty times easier, and piled on a thousand times more detail into the bargain, if it had been five hundred years away instead of two or three days.”

“How amazing that it should be so!”

“Yes, a genuine expert can always foretell a thing that is five hundred years away easier than he can a thing that’s only five hundred seconds off.”

“And yet in reason it should clearly be the other way; it should be five hundred times