Winston knows this because he works for the government and his job is to change the history to benefit the government. For example Winston remembers that no one had heard of Big Brother, the leader of the party, before 1960, but stories about him now appear in the histories going back to the 30's. As such, the government is looked upon as having given the people all that they have, which makes it unlikely that there would ever be a revolt. This is an act of confusion that the government uses to make the people think that what they have done in the past has been successful and what they want to do now will also be
Winston knows this because he works for the government and his job is to change the history to benefit the government. For example Winston remembers that no one had heard of Big Brother, the leader of the party, before 1960, but stories about him now appear in the histories going back to the 30's. As such, the government is looked upon as having given the people all that they have, which makes it unlikely that there would ever be a revolt. This is an act of confusion that the government uses to make the people think that what they have done in the past has been successful and what they want to do now will also be