Freedom is not a license for chaos.

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.

You can't improve sound by having only silence. The problem is to use each at the proper time.

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

Does everyone grow the way you do?" puffed Milo when he had caught up. "Almost everyone," replied Alec, and then he stopped a moment and thought. "Now and then, though, someone does begin to grow differently. Instead of down, his feet grow up towards the sky. But we do our best to discourage awkward things like that." "What happens to them?" insisted Milo. "Oddly enough, they often grow ten times the size of everyone else," said Alec thoughtfully, "and I've heard that they walk among the stars." And with that he skipped off once again toward the waiting woods.

I think really good books can be read by anybody.

And remember, also," added the Princess of Sweet Rhyme, "that many places you would like to see are just off the map and many things you want to know are just out of sight or a little beyond your reach. But someday you'll reach them all, for what you learn today, for no reason at all, will help you discover all the wonderful secrets of tomorrow.