“Floyd could imagine a dozen things that could go wrong; it was little consolation that it was always the thirteenth that actually happened.”

“...science fiction is something that could happen - but usually you wouldn't want it to. Fantasy is something that couldn't happen - though often you only wish that it could.”

“There were some things that only time could cure. Evil men could be destroyed, but nothing could be done with good men who were deluded.”

“Much blood has also been spilled on the carpet in attempts to distinguish between science fiction and fantasy. I have suggested an operational definition: science fiction is something that COULD happen - but usually you wouldn't want it to. Fantasy is something that COULDN'T happen - though often you only wish that it could.”

“If such a thing had happened once, it must surely have happened many times in this galaxy of a hundred billion suns.”

“Could we go into your room?" she asked. "I knew it. I knew it," he said, spinning around and sliding quickly toward his door. "It's finally happend, just like in dreams. An intelligent, beautiful woman is going to declare her undying affection”

“It was the mark of a barbarian to destroy something one could not understand.”