It was all clear enough to Dr. Laidlaw. A weaker man, he knew, would have sought to lose himself in one form or another of sensual indulgence--sleeping-draughts, drink, the first pleasures that came to hand. Self-destruction would have been the method of a little bolder type; and deliberate evil-doing, poisoning with his awful knowledge all he could, the means of still another kind of man. Mark Ebor was none of these. He held himself under fine control, facing silently and without complaint the terrible facts he honestly believed himself to have been unfortunate enough to discover. Even to his intimate friend and assistant, Dr. Laidlaw, he vouchsafed no word of true explanation or lament. He went straight forward to the end, knowing well that the end was not very far away. And death came very quietly one day to him, as he was sitting in the arm-chair of the study, directly facing the doors of the laboratory--the doors that no longer opened. Dr. Laidlaw, by happy chance, was with him at the time, and just able to reach his side in response to the sudden painful efforts for breath; just in time, too, to catch the murmured words that fell from the pallid lips like a message from the other side of the grave. "Read them, if you must; and, if you can--destroy. But"--his voice sank so low that Dr. Laidlaw only just caught the dying syllables--"but--never, never--give them to the world." And like a grey bundle of dust loosely gathered up in an old garment the professor sank back into his chair and expired. But this was only the death of the body. His spirit had died two years before. 4 The estate of the dead man was small and uncomplicated, and Dr. Laidlaw, as sole executor and residuary legatee, had no difficulty in settling it up. A month after the funeral he was sitting alone in his upstairs library, the last sad duties completed, and his mind full of poignant memories and regrets for the loss of a friend he had revered and loved, and to whom his debt was so incalculably great. The last two years, indeed, had been for him terrible. To watch the swift decay of the greatest combination of heart and brain he had ever known, and to realize he was powerless to help, was a source of profound grief to him that would remain to the end of his days. At the same time an insatiable curiosity possessed him. The study of dementia was, of course, outside his special province as a specialist, but he knew enough of it to understand how small a matter might be the actual cause of how great an illusion, and he had been devoured from the very beginning by a ceaseless and increasing anxiety to know what the professor had found in the sands of "Chaldea," what these precious Tablets of the Gods might be, and particularly--for this was the real cause that had sapped the man's sanity and hope--what the inscription was that he had believed to have deciphered thereon.