“He opened the door and led me through a corridor into a dark green lounge curiously paneled with pale green glass behind which, at cunningly measured distances, lay exquisitely painted panoramas of strange seas and beautiful landfalls. Standing in the center of the room, and slowly turning, a man might imagine that Satan had taken him to the top of a high mountain, and was showing him all the kingdoms of the earth... until he put out his hand to touch the middle distance, and felt a window, and saw through it to the heart of the illusion.”