From: CS Lewis' The Voyage of the Dawn Treader (The Chronicles of Narnia)
The quote: "I don't see these fifty warriors," observed Reepicheep.
"That's right, that's right," said the Chief Voice. "You don't see us. And why not? Because we're invisible."
"Keep it up, Chief, keep it up," said the Other Voices. "You're talking like a book. They couldn't ask for a better answer than that."