" What do you think she’d have said if we’d asked her? ‘Excuse me, but do you think your friend was ever a clone model?’ She’d have thrown us out. We know it, so we might as well just say it. If you want to look for possibles, if you want to do it properly, then you look in the gutter. You look in rubbish bins. Look down the toilet, that’s where you’ll find where we all came from. "

― Kazuo Ishiguro , Never Let Me Go