‘You can’t do that!’ he cried out in a high cracked voice. ‘You couldn’t, you couldn’t! It’s impossible.’
‘Do you remember,’ said O’Brien, ‘the moment of panic that used to occur in your dreams? There was a wall of blackness in front of you, and a roaring sound in your ears.
There was something terrible on the other side of the wall. You knew that you knew what it was, but you dared not drag it into the open. It was the rats that were on the other side of the wall.’