1984 - Pg 179

   He knew better than before that he was not mad. Being in a minority, even a minority of one, did not make you mad. There was truth and there was untruth, and if you clung to the truth even against the whole world, you were not mad. A yellow beam from the sinking sun slanted in through the window and fell across the pillow. He shut his eyes. The sun on his face and the girl's smooth body touching his own gave him a strong, sleepy, confident feeling. He was safe, everything was all right. He fell asleep murmuring "Sanity is not statistical," with the feeling that this remark contained in it a profound wisdom.