A stranger had arrived that evening at the monastery. He had come to ask questions -- deeply bothersome questions. The light from an open door streamed fully upon he senior monk as he advanced. "Pardon!" said the stranger, hastily. "I should like to speak to you." "By all means!" "I was told that you were chiefly known in Paris as being the possessor of some mysterious internal force. "There is such a thing," said the monk. "What of it?"