There had been times, over the past millennium, when he'd felt like sending a message back Below saying, Look, we may as well give up right now, we might as well shut down Dis and Pandemonium and everywhere and move up here, there's nothing we can do to them that they don't do themselves and they do things we've never even thought of, often involving electrodes. They've got what we lack. They've got imagination. And electricity, of course.