Don't forget that this book was written in 1948. It's an astonishingly prescient book.
Or how the governors are a different class that suport each other even on enemy states, thus the wars are nothing but a fabrication to keep the population under control?
Or the parts where they control how the population perceive discidents, by controlling the press?
Or maybe you mean the way how they so perfectly control the population that they must create the dissidents first at the Mini Love, before they turn the population against them. Yeah, reality isn't that way... Yet.
Ignorance is strength?
Freedom is slavery?
And my favourite, in Big Brother Iron (a 1984 "sequel" by Charlie Stross):
Trust the Computer
http://www.antipope.org/charlie/blog-static/fiction/toast/to...