Sometimes he had indulged in daydreams about finding someone. More often, though, he had tried to adjust to… — Richard Matheson

Robert Neville looked out over the new people of the earth. He knew he did not belong to them; he knew that, like the vampires, he was anathema and black terror to be destroyed. And, abruptly, the concept came, amusing to him even in his pain. ... Full circle. A new terror born in death, a new superstition entering the unassailable fortress of forever.

I am legend.

They were strange, the facts about them: their staying inside by day, their avoidance of garlic, their death by stake, their reputed fear of crosses, their supposed dread of mirrors.

Take that last, now. According to legend, they were invisible in mirrors, but he knew that was untrue. As untrue as the belief that they transformed themselves into bats. That was a superstition that logic, plus observation had easily disposed of. ‘It was equally foolish to believe that they could transform themselves into wolves. Without a doubt there were vampire dogs; he had seen and heard them outside his house at night. But they were only dogs.

Well, it was true. ... True, he thought, but no one ever got the chance to know it. Oh, they knew it was something, but it couldn’t be that — not that. That was imagination, that was superstition, there was no such thing as that.

And, before science had caught up with the legend, the legend had swallowed science and everything.