The surface of the Earth was one vast building, like a hive, and to each human being was allotted by law a certain abiding place. But men no longer died, unless they desired to do so, and then only when the Spokesmen of the Gens saw fit to grant permission; and there soon would be no place for the newborn to live. Even now that point had practically been reached throughout the world, and in the greater portion it _had_ been reached, and passed, and men knew that while men did not die, they could be killed! The vast building, towering above what had once been the surface of the earth, to heights undreamed of before the discovery, was irregular on its top, to fit the contour of the earth, and its roof, constructed of materials raped from the earth's core, was so designed as to catch and concentrate the yearly more feeble rays of the sun, so that its life-giving warmth might continue to be the boon of living people. * * * * * It had been found as Earth cooled that life was possible to a depth of eight miles below the one-time surface, so that the one huge building extended below the surface to this great depth, and was divided and re-divided to make homes for men, their wives, and their progeny. But even so, space was limited. Neighboring families outgrew their surroundings, overflowed into the habitations of their neighbors--and every family was at constant war against its neighbors. Men did not die, but they could be slain, and there was scarcely a home, above or below, in all the vast building, which had not planned and executed murder, times and times--or which had not left its own blood in the dwelling places of neighbors. No law could cope with this intolerable situation, for men, down the ages, had changed in their essential characteristics but little--and recognized one law only in their extremity, that of self-preservation. So there was murder rampant, and mothers who wept for children, husbands, fathers or mothers, who would never return to their homes. "My grandfather," whispered Sarka, his eyes peering deeply into a certain area beyond that assigned by law to the House of Cleric, where men of two neighboring families were locked in mortal, silent conflict, "should not have frustrated the mad scheme of Dalis! It was slaughter, wholesale and terrible, but it would have cleansed the souls of the survivors!" * * * * * Mentally Sarka was looking back now to that red day when Dalis, the closest scientific rival of Sarka the First, had come to Sarka the First with his proposal which at the time had seemed so hideous. Sarka remembered that interval in all its details, for he had heard it many times.