“It is worth repeating at this point the theories that Ford had come up with, on his first encounter with human beings, to account for their peculiar habit of continually stating and restating the very very obvious, as in "It's a nice day," or "You're very tall," or "So this is it, we're going to die."His first theory was that if human beings didn't keep exercising their lips, their mouths probably shriveled up.After a few months of observation he had come up with a second theory, which was this--"If human beings don't keep exercising their lips, their brains start working.”
“One of the things Ford Prefect had always found hardest to understand about humans was their habit of continually stating and repeating the very very obvious.”
“If they don’t keep exercising their lips, he thought, their brains start working.”
“Personally, I never admired communists because they operate on the theory that human beings are nice people.”
“A first premonition of the rich variety of life had come to him; for the first time he thought he had understood the nature of human beings - they needed each other even when they appeared hostile, and it was very sweet to be loved by them.”
“Somewhere deep inside, his humanity had been shaken by something so unnatural, so foreign in its essence, his very being withdrew from it...”