But today, supposing that it could be somehow resurrected from its ashes, the photograph might not even be evidence. Already, at the time when he made his discovery, Oceania was no longer at war with Eurasia, and it must have been to the agents of Eastasia that the three dead men had betrayed their country. Since then there had been other changes—two, three, he could not remember how many. Very likely the confessions had been rewritten and rewritten until the original facts and dates no longer had the smallest significance. The past not only changed, but changed continuously. What most afflicted him with the sense of nightmare was that he had never clearly understood why the huge imposture was undertaken. The immediate advantages of falsifying the past were obvious, but the ultimate motive was mysterious. He took up his pen again and wrote: