Any wizard bright enough to survive for five minutes was also bright enough to realize that if there was any power in demonology, then it lay with the demons. Using it for your own purposes would be like trying to beat mice to death with a rattlesnake.
Terry PratchettYou do know you could find yourself charged with being a dominant species while under the influence of impulse-driven consumerism, don't you?
Terry PratchettOnce you have your character sitting right there in your head, all you really need to do is wind them up, put them down, and simply write down what they do, say, or think.
Terry Pratchett