“An eye for an eye will make the whole world blind.”
1914: "If…we were to go back to…'an eye for an eye and a tooth for a tooth,' there would be very few [Honourable] Gentlemen in this House who would not…be blind and toothless." — George Perry Graham, during a debate on capital punishment before the Canadian House of Commons. Official Report of the Debates of the House of Commons of the Dominion of Canada, Third Session-Twelfth Parliament, Vol CXIII, p. 496, February 5, 1914. http://parl.canadiana.ca/view/oop.debates_HOC1203_01/508
1950: "An-eye-for-an-eye-for-an-eye-for-an-eye … ends in making everybody blind" in The Life of Mahatma Gandhi by Louis Fischer (1950), though Fischer did not attribute it to Gandhi and seemed to be giving his own description of Gandhi's philosophy.
1958: "The old law of an eye for an eye leaves everybody blind" in Stride Toward Freedom: The Montgomery Story by Martin Luther King, Jr., 1958.
1982: "An eye for an eye only ends up making the whole world blind" in the 1982 film, Gandhi. In a 1993 biographical article about screenwriter John Briley, Jon Krampner wrote, "…Gandhi never said it. Michigan graduate John Briley put those pithy words in his mouth." From "John Briley '51 - Epic Screenwriter", Michigan Today, March 1993, p. 12. http://michigantoday.umich.edu/93/Mar_and_Oct_93/Mar_93/briley.html
2006: There is a quaternary source in Yale Book of Quotations http://books.google.co.uk/books?id=w5-GR-qtgXsC&pg=PA269&dq=whole-world-blind+ (2006), in which editor Fred R. Shapiro states that the Gandhi Institute for Nonviolence stated that Gandhi's family believes it authentic, but did not provide any further reference and provided no year, place or body of work.
2006: Discussed in The Quote Verifier: Who Said What, Where, and When, by Ralph Keyes (2006), 1st ed., p. 74.
2010: Research detailed by Garson O'Toole in "An Eye for an Eye Will Make the Whole World Blind" http://quoteinvestigator.com/2010/12/27/eye-for-eye-blind/ in Quote Investigator http://quoteinvestigator.com/.
Misattributed
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Mahatma Gandhi 238
pre-eminent leader of Indian nationalism during British-rul… 1869–1948Related quotes

“The old law of an eye for an eye leaves everybody blind.”
"An eye for an eye leaves everybody blind" is of indefinite origin, but has been disputably attributed to various figures, including Mahatma Gandhi. This variant describing it as an "old law" is attributed to King in The Words of Martin Luther King, Jr., (2008) http://books.google.com/books?id=irMxJS36904C&redir_esc=y by Coretta Scott King, Second Edition ; it also occurs in the credits of Spike Lee's movie Do the Right Thing (1989).
Disputed

From the ninth book, "The Book of Secrets"
The Pillow Book

“If we do an eye for an eye and a tooth for a tooth, we will be a blind and toothless nation.”

short quotes, 31 October 1966; p. 58
1960's, Conversations with Samuel Beckett and Bram van Velde' (1965 - 1969)

“The Chinese say that we Europeans have one eye, they themselves two, all the world else is blinde.”
Ed. 6, p. 40.
The Anatomy of Melancholy (1621)

Source: The Art of Money Getting; Or, Golden Rules for Making Money

“And look upon you with ten thousand eyes
Till heaven wax'd blind, and till the world were done.”
Poem: Love's Omnipresence http://www.bartleby.com/106/25.html