Attributed to Warren Buffet by Ben Stein in In Class Warfare, Guess Which Class Is Winning (November 26, 2006), The New York Times. Buffett made a similar statement in an interview with Lou Dobbs on CNN, 25 May 2005: “It’s class warfare, my class is winning, but they shouldn’t be.”

http://www.cnn.com/2005/US/05/10/buffett/index.html

https://en.wikiquote.org/wiki/Class_conflict