Quote from : The Phantom Tollbooth Book

What a shame," signed the Dodecahedron. "They're so very useful. Why, did you know that if a beaver two feet long with a tail a foot and a half long can build a dam twelve feet high and six feet wide in two days, all you would need to build Boulder Dam is a beaver sixty-eight feet long with a fifty-one-foot tail?" "Where would you find a beaver that big?" grumbled the Humbug as his pencil point snapped. "I'm sure I don't know," he replied, "but if you did, you'd certainly know what to do with him." "That's absurd," objected Milo, whose head was spinning from all the numbers and questions. "That may be true," he acknowledged, "but it's completely accurate, and as long as the answer is right, who cares if the question is wrong? If you want sense, you'll have to make it yourself.