The Phantom Tollbooth
"How are you going to make it [the wagon] move? It doesn't have a – "
"Be very quiet," advised the duke, "for it goes without saying."
And, sure enough, as soon as they were all quite still, it began to move quickly through the streets, and in a very short time they arrived at the royal palace. (6.55-57)
"Do you want to ruin everything? You see, to tall men I'm a midget, and to short men I'm a giant; to the skinny ones I'm a fat man, and to the fat ones I'm a thin man. That way I can hold four jobs at once. As you can see, though, I'm neither tall nor short nor fat nor thin. In fact, I'm quite ordinary, but there are so many ordinary men that no one asks their opinion about anything. Now what is your question?" (10.33)
"Besides," growled Tock, who decided that he didn't much like Dr. Dischord, "there is no such illness as lack of noise."
"Of course not," replied the doctor, pouring himself a small glass of the liquid; "that's what makes it so difficult to cure. I only treat illnesses that don't exist: that way, if I can't cure them, there's no harm done – just one of the precautions of the trade." (11.56-57)