“And Hortensio falls asleep happily and starts snoring, although nobody could hear him snoring, because nobody can hear the noises that snails make, all around the world.”

“To his amazement, he could already hear Henry snoring in the backseat. That guy could fall asleep on a car trip to the mailbox.”

“I couldn't see him but I could hear him snoring softly, humming, like a little airplane lost in the clouds.”

“If a tree falls in the woods, and nobody is around to hear it, and it hits a mime, does anyone care?”

“...If there's a noise in the woods, and there's nobody around to hear it, is it really a noise?""Of course it is," she replied calmly."How did you reach that conclusion?" Beldin demanded."Because there's no such thing as an empty place, uncle. There are always creatures around --wild animals, mice, insects, birds --and they can all hear.""But what if there weren't? What if the woods are truly empty?""Why waste your time talking about an impossibility?”

“James gave the huffle of a snail in danger. And nobody heard him at all.”