Said to be a quote from Das Kapital in an anonymous email, this attribution has been debunked at Snopes.com with the earliest occurrence found being a post by Gpkkid on 23 December 2008; it was used as a basis of a satirical article "Americans to Undergo Preschool Reeducation in Advance of Country's Conversion to Communism" at NewsMutiny, but the author of article on the satiric website says that he is not author of the quote
More quotes by Karl Marx
Attribution
Quote text and notes from Wikiquote: Karl Marx (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.