‘We nearly killed you all.’ ‘You did, and it was unforgivable. Nonetheless, we offer our forgiveness. What is the point in being a superior civilisation if you can’t do that once in a while? I could push you off this cliff now, watch you fall all the way to the bottom. I might gain some barely measurable degree of satisfaction from seeing you die, knowing what you did to us, but would any higher purpose be served by that act?’