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The ethic of reciprocity or "The Golden Rule" is a fundamental moral principle which simply means "treat others as you would like to be treated."
It is arguably the most essential basis for the modern concept of human rights. Principal philosophers and religious figures have stated it in different ways,
The Principle of Tolerance
Ethical teaching interprets the Golden Rule as mutual respect for one's neighbour (rather than as a deontological or consequentialist rule.) Most of us know that different people have different faiths or ideological beliefs, different preferences concerning sex or other matters, and may belong to a different cultural heritage. George Bernard Shaw once said that "The golden rule is that there are no golden rules". Shaw also criticized the golden rule, "Do not do unto others as you would they should do unto you. Their tastes may not be the same." (Maxims for Revolutionists). "The golden rule is a good standard which is further improved by doing unto others, wherever possible, as they want to be done by." Karl Popper (The Open Society and Its Enemies, Vol. 2)
A key element of the ethic of reciprocity is that a person attempting to live by this rule treats all people, not just members of his or her in-group, with consideration.
The "Declaration Toward a Global Ethic" from Parliament of the World’s Religions proclaim the Golden Rule (both in negative and positive form) as the common principle for many religions. The Declaration was signed by more than 200 leaders from 40+ different faith traditions and spiritual communities.
Bahá'í
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Christianity
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Confucianism
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Hinduism
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Islam
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Jainism
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Judaism
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Sikhism
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Buddhism
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Quotes
"The golden rule ... is further improved by doing unto others, wherever possible, as they want to be done by." - Karl Popper (The Open Society and Its Enemies, Vol. 2)
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Effects of the Golden Rule on politics
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Reciprocal altruism and tit for tat
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Harry Gensler's essay, The Golden Rule, published in the Blackwell Dictionary of Business Ethics (Routledge 1997 ISBN 1-55786-942-1). For more background, and for more information about the golden rule, plus links and lists of books about it, see his website The Golden Rule. His links include his teaching website, Web Exercises.