Part I, Chapter 2, Research Perspectives, p. 31.
The Art and Science of Negotiation (1982)
“Change the payoffs.”
A common reaction of someone caught in a Prisoner's Dilemma is that "there ought to be a law against this sort of thing."
In fact, getting out of Prisoner's Dilemmas is one of the primary functions of government: to make sure that when individuals do not have private incentives to cooperate, they will be required to do the socially useful thing anyway. Laws are passed to cause people to pay their taxes, not to steal, and to honor contracts with strangers. Each of these activities could be regarded as a giant Prisoner's Dilemma game with many players.
Chap. 7 : How to Promote Cooperation
The Evolution of Cooperation (1984; 2006)
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Robert Axelrod 15
American political scientist 1943Related quotes
“Small kindnesses often, unintentionally, produce the biggest payoffs.”
Source: The Gift

http://www.popmonk.com/actors/leonardo-dicaprio/quotes-leonardo-dicaprio.htm

1999 Berkshire Hathaway Annual Meeting, as quoted in "Why Won't Buffett Invest in Tech Stocks?" at Motley Fool (6 March 2000) http://www.fool.com/boringport/2000/boringport000306.htm
Chap. 3 : The Chronology of Cooperation
Proposition 2.
The Evolution of Cooperation (1984; 2006)

Source: https://www.dougengelbart.org/content/view/348/000/#annotations:AVM5A_shH9ZO4OKSlBtx