Since the time of the ancient Greeks, metaphors have been revered by scholars in all disciplines for their unsurpassed epistemological value. In this article, the authors review the role of the metaphor in the acquisition of knowledge and advancement of science, with specific emphasis on the ways in which metaphors have informed theory and research in social dilemmas. In highlighting the abundance and variety of social dilemma metaphors, the authors focus on metaphors' role in suggesting fresh theoretical perspectives, novel methodological approaches, and new insights with regard to solutions and practical applications. They suggest promising directions for future research and offer strategies for taking further advantage of the special relationship between metaphors and social dilemmas.The greatest thing by far is to be a master of metaphor.-Aristotle Metaphor is a way of knowing-one of the oldest, most deeply embedded, even indispensable ways known in the history of human consciousness.-Robert Nisbet Perhaps no research area in the social sciences boasts a richer menagerie of metaphorical images than does the area of social dilemmas. Originally conceptualized as a game (Luce & Raiffa, 1957), a social dilemma situation has since been compared with a train ride (
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