"I'm going to tell you about the story of a book that wasn't written." Not removing his hand on Siegfried's eyes, Njal went on, "And ironically, everyone knows about this story."
"But it wasn't written."
"They just know that such story exists, but no one knows its beginning, its middle, and its end."
"If no one knows it, then what are you going to tell me, Njal?"
"I'm going to tell you how to write it."