Quote from : Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch Book

I don’t reckon it’s allowed, going round setting fire to people,” said Adam. “Otherwise people’d be doin’ it all the time.” “It’s all right if you’re religious,” said Brian reassuringly. “And it stops the witches from goin’ to Hell, so I expect they’d be quite grateful if they understood it properly.