In those villages, he wondered, how much ability and genius might be lying barren, ability and genius that the world could use but would never know b… - Clifford D. Simak

But man had changed. He had lost the old knowledge and old skills. His mind had become a flaccid thing. He lived from one day to the next without any shining goal. But he still kept the old vices — the vices that had become virtues from his own viewpoint and raised him by his own bootstraps. He kept the unwavering belief that his was the only kind, the only life that mattered — the smug egoism that made him the self-appointed lord of all creation.

There was a world of mutants, men and women who were more than normal men and women, persons who had certain human talents and certain human understandings which the normal men and women of the world had never known, or having known, could not utilize in their entirety, unable to use intelligently all the mighty powers which lay dormant in their brains.

"These are the stories that the Dogs tell when the fires burn high and the wind is from the north. Then each family circle gathers at the hearthstone and the pups sit silently and listen and when the story's done they ask many questions:

"What is Man?" they'll ask.

Or perhaps: "What is a city?"

Or: "What is a war?