"It's like coming home," said Webster and he wasn't talking to the dog. "It's like you've been away for a long, long time and then you come home agai… - Clifford D. Simak

The need of one human being for the approval of his fellow humans, the need for a certain cult of fellowship - a psychological, almost physiological need for approval of one's thought and action. A force that kept men from going off at unsocial tangents, a force that made for social security and human solidarity, for the working together of the human family.

Men died for that approval, sacrificed for that approval, lived lives they loathed for that approval. For without it man was on his own, an outcast, an animal that had been driven from the pack.
It had led to terrible things, of course - to mob psychology, to racial persecution, to mass atrocities in the name of patriotism or religion. But likewise it had been the sizing that held the race together, the thing that from the very start had made human society possible.

And Joe didn't have it. Joe didn't give a damn. He didn't care what anyone thought of him. He didn't care whether anyone approved or not.

You say a thing so often and so well that after a time everyone believes it. Even, finally, yourself.

Ulysses, he thought, had not told him all the truth about the Talisman. He had told him that it had disappeared and that the galaxy was without it, but he had not told him that for many years its power and glory had been dimmed by the failure of its custodian to provide linkage between the people and the force. And all that time the corrosion occasioned by that failure had eaten away at the bonds of the galactic cofraternity.