The trouble with life was that you didnโt get a chance to practice before doing it for real.
Terry PratchettI don't hold with paddlin' with the occult," said Granny firmly. "Once you start paddlin' with the occult you start believing in spirits, and when you start believing in spirits you start believing in demons, and then before you know where you are you're believing in gods. And then you're in trouble." "But all them things exist," said Nanny Ogg. "That's no call to go around believing in them. It only encourages 'em.
Terry PratchettA number of religions in Ankh-Morpork still practiced human sacrifice, except that they didn't really need to practice any more because they had got so good at it.
Terry Pratchett