"Well, for one thing, it's history."
"Yeah," he drawled, "but whose?"
"The unwritten history of the no-world." She laughed.
"Balderdash."
"Well," she said. "We do not exist; we are not really here. Therefore the history of our lives is also figmentary. It doesn't exist."
"No?"
"Nope," she said with a shake of her head. "Nothing is real."
"Then how do you read facts out of an unreal book?"
"How do you multiply a real unit by an imaginary number?"
"We do it—Oh nuts."