"All right," said Eden. "After all, we've got to hide somewhere. And even if they move on a bit faster than we can, they'll still leave signs, won't they?

"Yes, they'll drip blood and leave echoes of people laughing," said Timon in a dark voice. Eden looked at him apprehensively. But then Timon laughed himself. "Joking! Joking! Only joking!" he cried, and Eden nodded, echoing his laughter rather uncertainly."
— Margaret Mahy