The world had opened out and so had the universe, or what she since had thought must have been the universe, lying all spread out before her, with ev… - Clifford D. Simak

They’d lived all their life on Earth; they knew nothing but the Earth. They had never really touched an alien concept, and that was all this concept was. It was not really as slimy as it seemed. It was only alien. There were a lot of alien things that could make one’s hair stand up on end while in their proper alien context they were fairly ordinary.

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.

The chain of life runs smoothly from one generation to the next and none of the links stand out except here and there a link one sees by accident.