'You asked me once,' said O'Brien, 'what was in Room 101. I told you that you knew the answer already. Everyone knows it. The thing that is in Room 101 is the worst thing in the world.'
'The worst thing in the world,' said O'Brien, 'varies from individual to individual. It may be burial alive, or death by fire, or by drowning, or by impalement, or fifty other deaths. There are cases where it is some quite trivial thing, not even fatal.'
He had moved a little to one side, so that Winston had a better view of the thing on the table. It was an oblong wire cage with a handle on top for carrying it by. Fixed to the front of it was something that looked like a fencing mask, with the concave side outwards. Although it was three or four metres away from him, he could see that the cage was divided lengthways into two compartments, and that there was some kind of creature in each. They were rats.
'In your case,' said O'Brien, 'the worst thing in the world happens to be rats.'
A sort of premonitory tremor, a fear of he was not certain what, had passed through Winston as soon as he caught his first glimpse of the cage. But at this moment the meaning of the mask-like attachment in front of it suddenly sank into him. His bowels seemed to turn to water.
'By itself,' he said, 'pain is not always enough. There are occasions when a human being will stand out against pain, even to the point of death. But for everyone there is something unendurable -- something that cannot be contemplated. Courage and cowardice are not involved. If you are falling from a height it is not cowardly to clutch at a rope. If you have come up from deep water it is not cowardly to fill your lungs with air. It is merely an instinct which cannot be destroyed. It is the same with the rats. For you, they are unendurable. They are a form of pressure that you cannot withstand, even if you wished to. You will do what is required of you.'
There was an outburst of squeals from the cage. It seemed to reach Winston from far away. The rats were fighting; they were trying to get at each other through the partition. He heard also a deep groan of despair. That, too, seemed to come from outside himself.
O'Brien picked up the cage, and, as he did so, pressed something in it. There was a sharp click. Winston made a frantic effort to tear himself loose from the chair. It was hopeless; every part of him, even his head, was held immovably. O'Brien moved the cage nearer. It was less than a metre from Winston's face.