The ties of home were strong. In a few years man gets attached to bricks and mortar, and scenery. In a hundred years roots are so deep that no one wants to tear them up. In a thousand years it is quite unthinkable. In a million years, only a lunatic would want to leave... Then came the alien, presenting an impossible choice... Humanity must leave the Earth - or die! Behind them was everything they had known. In front of them, an unknown to-morrow. Which were the greater - the hazards remaining or the dangers of the infinite void ahead? Could they trust the alien? He said there was another world, a safe world, that would be a new home - but was it all a trap? There were dangers out there. The dangers of a population confined in ships for a half a life-time; the dangers of cosmic radiation; danger of attacks by the 'Others'! Only men of the highest courage and the greatest integrity could hope to survive in the raw, searing savagery of the unknown...

The ties of home were strong. In a few years man gets attached to bricks and mortar, and scenery. In a hundred years roots are so deep that no one wants to tear them up. In a thousand years it is quite unthinkable. In a million years, only a lunatic would want to leave... Then came the alien, presenting an impossible choice... Humanity must leave the Earth - or die! Behind them was everything they had known. In front of them, an unknown to-morrow. Which were the greater - the hazards remaining or the dangers of the infinite void ahead? Could they trust the alien? He said there was another world, a safe world, that would be a new home - but was it all a trap? There were dangers out there. The dangers of a population confined in ships for a half a life-time; the dangers of cosmic radiation; danger of attacks by the 'Others'! Only men of the highest courage and the greatest integrity could hope to survive in the raw, searing savagery of the unknown...