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    "headline": "King’s ‘arc of the moral universe’ line adapts an 1853 sermon by abolitionist minister Theod",
    "description": "Theodore Parker's 1853 sermon used 53 words and admitted doubt; King's 13-word version, used from 1958 and in Montgomery in 1965, turned it into a promise.",
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    "keywords": "Civil rights, Martin Luther King Jr., Quotes, Selma to Montgomery, Theodore Parker",
    "articleBody": "When Martin Luther King Jr. stood in Montgomery, Alabama, on 25 March 1965 at the end of the march from Selma, he answered the crowd’s question “How long?” with a line still repeated in speeches and on posters across the United States: “the arc of the moral universe is long, but it bends toward justice.” The words are King’s in that they are his phrasing. The idea, and most of the imagery, belong to Theodore Parker, a Unitarian minister and abolitionist who put it into a sermon printed in 1853. What Parker wrote Parker, born in 1810 and a leading figure among the American Transcendentalists, published Ten Sermons of Religion in 1853. The third sermon, Of Justice and the Conscience, contains the passage. In the later collected edition of his works, digitized page by page, it reads: “Look at the facts of the world. You see a continual and progressive triumph of the right. I do not pretend to understand the moral universe; the arc is a long one, my eye reaches but little ways; I cannot calculate the curve and complete the figure by the experience of sight; I can divine it by conscience. And from what I see I am sure it bends towards justice. Things refuse to be mis-managed long. Jefferson trembled when he thought of slavery and remembered that God is just. Ere long all America will tremble.” The 1853 first edition, as transcribed by a quotation researcher who traced the saying, reportedly differs only in punctuation and in one word, opening the key sentence with but instead of and. Badiyaa has not yet checked that edition against a scan, so the quotation above follows the collected edition. Either way the meaning is a confession of uncertainty. Parker says he cannot see the whole curve, only enough of it to trust its direction. What King said King’s version keeps five of Parker’s ideas, the arc, the moral universe, its length, the bending and justice, and drops the doubt. Parker’s sentence runs to 53 words from “I do not pretend” to “justice”; King’s is 13, about a quarter of the length, and it turns a private hunch into a public promise. In the Stanford King Institute’s transcript of the Montgomery address, the line is one beat in a closing litany: “How long? Not long, because the arc of the moral universe is long, but it bends toward justice.” Around it King stacked other borrowed lines on the same theme, among them “truth crushed to earth will rise again” and “no lie can live forever”, before ending with “Mine eyes have seen the glory of the coming of the Lord”. Earlier in the speech he recalled that more than 8,000 people had set out from Selma the previous Sunday. A saying already in circulation King did not take the line straight from Parker’s book, and he never claimed to have coined it. The sources trace a short chain of hand-offs: 1853: Parker’s sermon is published with the long version. 1918: a compact one-sentence form, close to the modern wording, appears in an anthology under Parker’s name. 1932 to 1940: unattributed versions turn up on a Cleveland church bulletin board, in a Massachusetts pastor’s sermon and in a Los Angeles rabbi’s New Year message, some swapping the universe for history or dropping the word moral. February 1958: King uses it in an article titled Out of the Long Night for a Church of the Brethren weekly, setting it off in quotation marks, a sign he was citing a known saying. 1964: he closes a baccalaureate sermon at Wesleyan University in Connecticut with it. 25 March 1965: Montgomery. According to published transcriptions of the 1958 article, King paired the arc there with a line from the poet William Cullen Bryant about truth crushed to earth rising again, the same line he reached for in Montgomery seven years later. The two sayings appear to have traveled together in his preaching. So whose line is it? Fair credit runs both ways. The metaphor is Parker’s, written while slavery was still legal across the South, with a pointed warning about Jefferson and slavery attached. The compressed, quotable sentence circulated under Parker’s name by 1918, and King made it famous by putting it at the climax of the voting-rights campaign in Alabama. Quoting it as “Martin Luther King Jr., adapting Theodore Parker” is accurate; quoting it as King’s own invention is not. The full Montgomery transcript, with the crowd’s responses in brackets, is online at the King Institute, and Parker’s page sits as number 48 of the “Justice and the Conscience” sermon in the scanned collected edition. The speech’s 62nd anniversary falls on 25 March 2027. Further reading Stanford King Institute: Our God is Marching On! (25 March 1965) Wikisource: The Collected Works of Theodore Parker, Justice and the Conscience, page 48 Image: Peter Pettus, Public domain via Wikimedia Commons This article was produced with AI assistance and reviewed by our Editorial Desk. How we work.",
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