Oh. I see. People don't want to see what can't possibly exist.

“It was so loud and so deep, it wasn't really sound at all, just something that …”

“Ponder just let it happen. It's because their minds are so often involved with …”

“All right," said Susan. "I'm not stupid. You're saying humans need... fantasies…”

“He helped the Librarian up. There was a red glow in the ape's eyes. It had trie…”