Maybe the only significant difference between a really smart simulation and a human being was the noise they made when you punched them.
Terry PratchettAnd all the stories had, somewhere, the witch. The wicked old witch. And Tiffany had thought: Where's the evidence?
Terry PratchettIgor?' said Moist. 'You have an Igor?' Oh, yes,' said Hubert. 'That's how I get this wonderful light. They know the secret of storing lightning in jars! But don't let that worry you, Mr Lipspick. Just because I'm employing an Igor and working in a cellar doesn't mean I'm some sort of madman, ha ha ha!' Ha ha,' agreed Moist. Ha hah hah!,' said Hubert. 'Hahahahahaha!! Ahahahahahahhhhh!!!!!-' Bent slapped him on the back. Hubert coughed. Sorry about that, it's the air down here,' he mumbled.
Terry Pratchett