Here endeth the story of the knight that spoke the truth.
Lady Joan ceased, and there was silence in the chamber, she looking back over the pages, as if she had not quite understood, and Cosmo, who had understood entirely, watching the lovely, dark, anxious face.

He saw she had not mastered the story, but, which was next best, knew she had not.

He began therefore to search her difficulty, or rather to help it to take shape, and thereon followed a conversation neither of them ever forgot concerning the degrees of truth: as Cosmo designated them--the truth of fact, the truth of vital relation, and the truth of action..