Everybody is so terribly sensitive about the things they know best.

The Mathemagician nodded knowingly and stroked his chin several times. “You’ll find,” he remarked gently, “that the only thing you can do easily is be wrong, and that’s hardly worth the effort.

Things which are equally bad are also equally good. Try to look at the bright side of things. - Humbug

They walked for a while, all silent in their thoughts, until they reached the car and Alec drew a fine telescope from his shirt and handed it to Milo. "Carry this with you on your journey," he said softly, "for there is much worth noticing that often escapes the eye. Through it you can see everything from the tender moss in a sidewalk crack to the glow of the farthest star — and, most important of all, you can see things as they really are, not just as they seem to be. It's my gift to you.

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.

There are good books and there are bad books, period, that's the distinction.

I received a grant from The Ford Foundation to write a book for kids about urban perception, or how people experience cities, but I kept putting off writing it. Instead I started to write what became The Phantom Tollbooth