Dreams, she said. Broken dreams are bad enough. But the dream that has no hope...the dream that is doomed long before it’s broken, that’s the worst o… - Clifford D. Simak

You do not belong to any bona fide religion that prohibits killing?"
"I presume I could classify myself as a Christian," said Sutton. "I believe there is a Commandment about killing." The robot shook his head. "It doesn't count."
"It is clear and specific," Sutton argued. "It says, 'Thou shalt not kill.'"
"It is all of that," the robot told him. "But it has been discredited. You humans discredited it yourselves. You never obeyed it. You either obey a law or you forfeit it. You can't forget it with one breath and invoke it with the next.

And how much did he and the others lost when they had turned their backs on magic? Belief, of course, and there might be some value in belief, although there was, as well, delusion and did a man want to pay for the value of belief in the coinage of delusion?

Could it be possible, Hezekiah asked himself, that there was no room for both the faith and truth, that they were mutually exclusive qualities that could not coexist? He shuddered as he thought of it, for if this should be the case, they had spent their centuries of devotion to but little purpose, pursuing a will-o'-the-wisp. Must faith be exactly that, the willingness and ability to believe in the face of a lack of evidence? If one could find the evidence, would then the faith be dead? If that were the situation, then which one did they want? Had it been, he wondered, that men had tried what they even now were trying and had realized that there was no such thing as truth, but only faith, and being unable to accept the faith without its evidence, had dropped the faith as well?