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原文連結
論文資訊
- 類型：已發表論文
- 日期：2008
摘要
Human morality is a key 演化ary 適應 on which human 社會 behavior has been based since the Pleistocene era. Ethical behavior is constitutive of human nature, we argue, and human morality is as important an 適應 as human cognition and speech. Ethical behavior, we assert, need not be a means toward personal gain. Because of our nature as moral beings, humans take pleasure in acting ethically and are pained when acting unethically. From an 演化ary viewpoint, we argue that ethical behavior was fitness-enhancing in the years marking the 湧現 of Homo sapiens because human groups with many altruists fared better than groups of selfish individuals, and the fitness losses sustained by altruists were more than compensated by the superior performance of the groups in which they congregated.
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