The source is from George Orwell's dystopian novel Nineteen Eighty-Four, published in 1949. Orwell himself, a self-avowed democratic socialist, feared that socialism in his native Britain would turn into a totalitarian society governed by an ideology resembling that of Ingsoc. The truth of the matter is that in real life its not just for Britain rather for the entire world.
https://www.youtube.com/watch?v=A09hvLHLkVQ&list=PL4YabFfWSaemT_m8S_0LDvgnXVwN7CrDu&index=5
https://www.youtube.com/watch?v=A09hvLHLkVQ&list=PL4YabFfWSaemT_m8S_0LDvgnXVwN7CrDu&index=5