'All right,' Said Hermione, disconcerted. 'Say the Cloak existed... What about the stone, Mr Lovegood? The thing you call the Resurrection Stone?'
'What of it?'
'Well, how can that be real?'
'Prove, that it is not,' said Lovegood.
Hermione looked outraged.
'But that's - I'm sorry, but that's completely ridiculous! how can I possibly prove it doesn't exist? do you expect me to get hold of - of all the pebbles in the world, and test them? I mean, you could claim that anything's real ifs the only basis for believing in it is that nobody's proved it doesn't exist?'
И математики тут все такие