As Winston said, "Freedom is being able to say two plus two is four." Noting how he felt like he was writing to O'Brien, after getting captured O'Brian reads it back to him and through pain 'proved' him wrong. This shows how Winston's starting motto was used as a weapon agniest him and how that motto was metioned and the being and end of his personal rebillion. Also how he turned into a whole new person with differnt ideals.
