What do you understand by George Orwell's observation, 'Who controls the past controls the future, who controls the present controls the past'? To what extent do you think it is true?

the observation be george orwell means that who controls the past control everything. i agree because if you apply to yourself it is true. if you control what you do now you will also control what the consequences are in the future. and by the present, it means the time period between the past and the future.  it might also apply to historians because if you control what happened in the past, you control the future and if the historian controls the present, meaning having a lot of power, he might also control what happened before. for example stalin, he controlled everything. when trotsky left he removed his information and also removed him from every picture he was in. he controlled the past, the present and the future. by controlling the future, he knew what future generations had to learn. I agree with the quote but definitely there are other factors affecting the past, present and future.

'Who controls the past controls the future, who controls the present controls the past'