Doesn't fit the Marxist/racist narrative.
“If you tell a lie big enough and keep repeating it, people will eventually come to believe it. The lie can be maintained only for such time as the State can shield the people from the political, economic and/or military consequences of the lie. It thus becomes vitally important for the State to use all of its powers to repress dissent, for the truth is the mortal enemy of the lie, and thus by extension, the truth is the greatest enemy of the State.”
- Attributed to Joseph Goebbels, though not proven
If he said it, it was likely in the same sense that Hitler wrote essentially the same thing in Mein Kampf, i.e., in the sense of being critical of the powers behind the establishment of their time (i.e., their time, prior to the rise of the National Socialist regime). Neither of them were recommending that approach, nor suggesting that it would be an approach taken by them once in power, although it was later twisted to this meaning.