There are thousands of good reasons why magic doesn't rule the world. They're called Witches and Wizards.
Terry PratchettI can't be talking to a tree. If I was talking to a tree I'd be mad, and I'm not mad, so trees can't talk.
Terry PratchettInteresting thing, these fellows never seem to get the idea of perspective-' The Bursar thought, or received the thought: that's because perspective is a lie. If I know a pond is round then why should I draw it oval? I will draw it round because round is true. Why should my brush lie to you just because my eye lies to me?
Terry Pratchett