…We were born vampires." "I thought you became –" "— vampires by being bitten? Dear me, no. Oh, we can turn people into vampires, it’s an easy technique, but what would be the point? When you eat… now what is it you eat? Oh yes, chocolate… you don’t want to turn it into another Agnes Nitt, do you? Less chocolate to go around." He sighed. "Oh dear, superstition, superstition everywhere we turn.
Terry PratchettWhat's a philosopher?' said Brutha. Someone who's bright enough to find a job with no heavy lifting,' said a voice in his head.
Terry PratchettBut is all this true?" said Brutha. Didactylos shrugged. "Could be. Could be. We are here and it is now. The way I see it is, after that, everything tends towards guesswork." "You mean you don't KNOW it's true?" said Brutha. "I THINK it might be," said Didactylos. "I could be wrong. Not being certain is what being a philosopher is all about.
Terry Pratchett