He rose deliberately from his chair and came towards them across the soundless carpet. A little of the official atmosphere seemed to have fallen away from him with the Newspeak words, but his expression was grimmer than usual, as though he were not pleased at being disturbed. The terror that Winston already felt was suddenly shot through by a streak of ordinary embarrassment. It seemed to him quite possible that he had simply made a stupid mistake. For what evidence had he in reality that O’Brien was any kind of political conspirator? Nothing but a flash of the eyes and a single equivocal remark: beyond that, only his own secret imaginings, founded on a dream. He could not even fall back on the pretence that he had come to borrow the Dictionary, because in that case Julia’s presence was impossible to explain. As O’Brien passed the telescreen a thought seemed to strike him. He stopped, turned aside and pressed a switch on the wall. There was a sharp snap. The voice had stopped.