There came to him a moment in which he laughed out very audibly. "Ha! ha!" he shouted, rising up from his chair, and he walked about the room, holding a large paper-knife in his hand. "Ha! ha!" Then he threw the knife away from him, and thrusting his hands into his trousers-pockets, laughed again--"Ha! ha!" He stood still in the centre of the room, and the laughter was very plainly visible on his face, had there been anybody there to see it.
