He had still, he reflected, not learned the ultimate secret. He understood HOW; he did not understand WHY. Chapter I, like Chapter III, had not actually told him anything that he did not know, it had merely systematized the knowledge that he possessed already. But after reading it 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.