The river rolled below him and the river did not care. Nothing mattered to the river. It would take the tusk of mastodon, the skull of sabertooth, th… - Clifford D. Simak

Perhaps all that had happened had been no more than the working out of human destiny. If the human race could not attain directly the paranormal power he held, this instinct of the mind, then they would gain it indirectly through the agency of one of their creations. Perhaps this, after all, unknown to Man himself, had been the prime purpose of the robots. He turned and walked slowly down the length of village street, his back turned to the ship and the roaring of the captain, walked contentedly into this new world he'd found, into this world that he would make — not for himself, nor for robotic glory, but for a better Mankind and a happier. Less than an hour before he'd congratulated himself on escaping all the traps of Earth, all the snares of Man. Not knowing that the greatest trap of all, the final and the fatal trap, lay on this present planet. But that was wrong, he told himself. The trap had not been on this world at all, nor any other world. It had been inside himself. He walked serenely down the wagon-rutted track in the soft, golden afternoon of a matchless autumn day, with the dog trotting at his heels. Somewhere, just down the street, the sick baby lay crying in its crib.

Perversity, she thought. Could that have been what happened to the human race — a willing perversity that set at naught all human values which had been so hardly won and structured in the light of reason for a span of more than a million years? Could the human race, quite out of hand and with no sufficient reason, have turned its back upon everything that had built humanity? Or was it, perhaps, no more than second childhood, a shifting of the burden off one's shoulders and going back to the selfishness of the child who romped and frolicked without thought of consequence or liability?

The whole procedure of his thinking, Jason knew, was an imbecilic exercise; there was no compelling reason for him to seek an answer. And yet his mind bored on and on and he could not stop it, hanging with desperation to an impossibility to which it never should have paid attention.