“It's class warfare. My class is winning, but they shouldn't be.”
Interview with Lou Dobbs http://www.cnn.com/2005/US/05/10/buffett/index.html on CNN (25 May 2005)
Buffet has made similar statements in other interviews:
There's class warfare, all right, but it's my class, the rich class, that's making war, and we're winning.
As quoted in "In Class Warfare, Guess Which Class Is Winning" by Ben Stein, in The New York Times (26 November 2006) http://www.nytimes.com/2006/11/26/business/yourmoney/26every.html
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Warren Buffett 146
American business magnate, investor, and philanthropist 1930Related quotes

Senator Sanders was speaking to the Iowa AFL-CIO convention summer 2019
Quoted by Norman Solomon in The Escalating Class War Against Bernie Sanders https://www.counterpunch.org/2020/02/18/the-escalating-class-war-against-bernie-sanders/ (18 Feb 2020)
2020

“We are here to announce class warfare, in peace and for democracy.”
As quoted in "Protests Urge Resignation of Leaders in Thailand http://www.nytimes.com/2010/03/15/world/asia/15thai.html" in The New York Times (15 March 2010).

Interview (28 October 2003) http://www.buzzflash.com/interviews/03/10/int03281.html
Context: The corporate right and the political right declared class warfare on working people a quarter of a century ago and they've won … Take the paradox of Rush Limbaugh, ensconced in a Palm Beach mansion massaging the resentments across the country of white-knuckled wage earners, who are barely making ends meet in no small part because of the corporate and ideological forces for whom Rush has been a hero.

behind them
2013
Source: [Кличко: Я не вижу себя в правительстве Януковича. Нет смысла подымать этот вопрос, https://gordonua.com/news/maidan/kichko-ya-ne-vizhu-sebya-v-pravitelstve-yanukovicha-7366.html, 2022-06-13, gordonua.com]
Runs and Catches: an autobiography (1980), ISBN: 9780571115655.
Tragedy of the Commons ( read on-line http://science.sciencemag.org/content/162/3859/1243.full), 1968.
Tragedy of the Commons (1968)