Thomas Merton
American Trappist monk (1915-1968) at the Abbey of Gethsemani in Kentucky whose autobiography *The Seven Storey Mountain* (1948) became the defining religious memoir of mid-century Catholicism and whose later work opened Western contemplative life to Buddhism, Sufism, and active engagement with civil rights, war, and ecological collapse. Died 10 December 1968 in Bangkok during the first Asian monastic conference. Read for the writing's slow movement from convert's certainty to interreligious depth across twenty-seven years inside the cloister he entered as a novice in 1941, and for one of the largest correspondence archives in modern American religious life.
About Thomas Merton
Standing at the corner of Fourth and Walnut in downtown Louisville on 18 March 1958, running errands for the Abbey of Gethsemani, Thomas Merton was overwhelmed by the sudden recognition that he loved everyone in the shopping district around him and that the seventeen years he had spent as a cloistered Trappist had been built partly on a fiction — the fiction that he was set apart. He wrote the experience into his journal that night and revised it for *Conjectures of a Guilty Bystander* eight years later, where it became one of the most quoted passages in twentieth-century Christian writing.
Thomas Merton (1915-1968) was a Trappist monk of the Abbey of Gethsemani in Kentucky, author of *The Seven Storey Mountain* (1948), and the figure most responsible for opening serious Christian contemplative life to dialogue with Buddhism, Sufism, and the secular peace movement. He entered Gethsemani on 10 December 1941 and died on 10 December 1968 in Bangkok, twenty-seven years to the day. Between those dates he wrote roughly sixty books, kept extensive journals that ran to seven published volumes after his death, and built correspondence networks reaching from D. T. Suzuki to Dorothy Day to the Dalai Lama.
Contributions
Merton's contributions divide into four streams: contemplative writing, interreligious dialogue, social criticism, and the renewal of Cistercian monastic theology from inside the cloister.
The contemplative writing is the largest body of work. *The Seven Storey Mountain* (1948) is a conversion autobiography written when he was about thirty-two — the dramatic interior story of his early years in France and England, his time at Cambridge and Columbia, his Catholic baptism in 1938, and his entry into Gethsemani in December 1941. The book sold over six hundred thousand copies in its first year and was translated into more than twenty languages. *Seeds of Contemplation* (1949) and its expanded successor *New Seeds of Contemplation* (1962) are his best-known practice text: brief chapters on the inner life pitched for general readers but rooted in Cassian, the Desert Fathers, and Bernard of Clairvaux. *No Man Is an Island* (1955), *Thoughts in Solitude* (1958), and *The Sign of Jonas* (1953) are the major books of his middle period. *Conjectures of a Guilty Bystander* (1966) marks the turn into a more political and interreligious voice. The posthumously published *Contemplative Prayer* (1969) — a late synthesis on monastic prayer — is the standard reference for his teaching method.
The interreligious work is what most enlarged the boundary of mid-century Catholic religious life. *The Way of Chuang Tzu* (1965), free renderings of Zhuangzi produced with John C. H. Wu, brought Daoist material into popular American religious reading. *Mystics and Zen Masters* (1967) and *Zen and the Birds of Appetite* (1968 — published posthumously) collect his essays on Zen, much of it shaped by long correspondence with D. T. Suzuki between 1959 and Suzuki's death in 1966. *Mystics and Zen Masters* also includes essays on Eastern Christian sources — the *Philokalia* and the Russian *startsy* tradition — and on Sufism. The Asia trip in autumn 1968 was his first sustained physical encounter with the traditions he had been reading for twenty years: meetings with the Dalai Lama at Dharamsala on 4, 6, and 8 November; encounters with Tibetan abbots at Bhutan; the Polonnaruwa moment in Sri Lanka on 2 December 1968 where he wrote that he had "never had such a sense of beauty and spiritual validity running together in one aesthetic illumination."
The social writing dates from roughly 1961 onward. *Original Child Bomb* (1962) is a documentary poem about the Hiroshima decision. *Seeds of Destruction* (1964) collected his major essays on race and war, including the long *Letters to a White Liberal*. *Faith and Violence* (1968) extended the work to Vietnam and the civil rights movement. The *Cold War Letters* — circulated privately to roughly fifty correspondents from October 1961 to October 1962 after his abbot James Fox had restricted his open writing on political subjects — are some of the sharpest American Catholic writing of the early Cold War period. They were published in full in 2006.
The fourth stream is the renewal of Cistercian monastic theology from within. As Master of Scholastics (1951-1955) and then Master of Novices (1955-1965) at Gethsemani, Merton was responsible for the formation of two generations of Trappist monks. His unpublished conference notes on monastic history, the Cistercian Fathers, and prayer — many transcribed from tape by his students and now collected at the Merton Center at Bellarmine University — are the institutional record of that work. The published *The Silent Life* (1957), *The Wisdom of the Desert* (1960), and his work on the Cistercian Fathers belong to this stream.
A fifth contribution, harder to measure but real, was his correspondence. The Thomas Merton Center at Bellarmine holds over ten thousand letters Merton sent to roughly eighteen hundred correspondents between 1939 and 1968, edited and published in five volumes between 1985 and 1994. The correspondence is its own contemplative practice and one of the major archives of mid-century American religious life.
Works
- *Thirty Poems* (1944) — his first published book, a collection of poetry. - *The Seven Storey Mountain* (1948) — spiritual autobiography to age twenty-six; the defining American Catholic conversion memoir of the post-war era. - *Seeds of Contemplation* (1949) — early practice manual; later revised as *New Seeds of Contemplation* (1962). - *The Sign of Jonas* (1953) — journal covering 1946-1952. - *No Man Is an Island* (1955) — essays on the relational dimensions of contemplative life. - *The Silent Life* (1957) — historical and theological account of monasticism. - *Thoughts in Solitude* (1958) — short meditations including the prayer "My Lord God, I have no idea where I am going." - *The Wisdom of the Desert* (1960) — translations and commentary on the Desert Fathers. - *New Seeds of Contemplation* (1962) — major revision and expansion of the 1949 text. - *Seeds of Destruction* (1964) — essays on race and war, including *Letters to a White Liberal*. - *The Way of Chuang Tzu* (1965) — free renderings of Zhuangzi, with John C. H. Wu. - *Conjectures of a Guilty Bystander* (1966) — journal-based reflections including the Fourth and Walnut passage. - *Mystics and Zen Masters* (1967) — essays on Zen, Sufism, and Eastern Christian sources. - *Faith and Violence* (1968) — essays on civil rights, Vietnam, and Catholic peace activism. - *Zen and the Birds of Appetite* (1968) — final volume on Zen, including a dialogue with D. T. Suzuki. - *The Asian Journal of Thomas Merton* (1973, posthumous) — journal of the autumn 1968 Asia trip. - *Contemplative Prayer* (1969, posthumous) — late synthesis on monastic prayer. - *The Journals of Thomas Merton*, 7 vols. (1995-1998, posthumous) — complete journals from 1939 to 8 December 1968.
Controversies
Merton's life produced controversy in several distinct areas, none of them adjacent to abuse.
The first concerned his social writing. From 1962 onward Abbot James Fox restricted Merton's open publication on war and politics, partly under pressure from the Trappist order's central administration, partly out of concern that a monk speaking publicly on political subjects compromised contemplative life. Merton complied by circulating *The Cold War Letters* privately rather than publishing them. The restriction was real but its effect was limited; Merton wrote the books he wanted to write and saw most of them through to publication anyway. The episode is sometimes read as institutional suppression and sometimes as a workable accommodation between abbot and monk.
The second was his 1966 relationship with the student nurse usually called M. in the literature, who cared for him at Saint Joseph's Hospital in Louisville after spinal surgery in March 1966. Merton was fifty-one, the woman was about twenty-five. The relationship — chronicled in his own *Journals* (volume 6: *Learning to Love*) — was emotionally intense, physically restrained according to his own accounts, and ended within several months when his confessor and the abbey learned of it. Merton renewed his vows and remained at Gethsemani. The episode has been read by some biographers as a serious lapse in his vocation and by others as an episode of human limitation that he documented honestly and worked through within the structures of his life. The full journal entries were sealed for twenty-five years after his death by the terms of his will and published only in 1997.
The third concerns the circumstances of his death in Bangkok on 10 December 1968. Merton was found in his cottage at the Sawang Khaniwat Red Cross retreat centre, on his back, with a large floor fan lying across his body. A 1968 Thai police investigation found a faulty electric cord on the fan but concluded that the cause of death was sudden heart failure occurring before Merton came into contact with the fan, not electrocution. The Associated Press wire story of 11 December 1968 reported electrocution, which became the dominant popular narrative; the underlying Thai records (US Embassy report and police report) record heart failure as the official cause. Some later accounts have raised questions about the thoroughness of the investigation given the absence of an autopsy and Merton's reported lack of prior heart-disease history; a small minority hypothesise foul play. No serious subsequent investigation has produced evidence beyond the original findings. The body was repatriated to Gethsemani and buried in the abbey cemetery on 17 December.
Within Catholic theology, his interreligious work has drawn pushback from more traditionalist quarters — including the US Conference of Catholic Bishops' 2006 decision to omit Merton from the US Catechism for Adults — concerned that Buddhist categories were being given Christian content without sufficient theological caution. Merton's own response — visible in *Zen and the Birds of Appetite* — was that the categorical differences were real and should be held precisely, that practitioner-level convergence does not require doctrinal identity, and that the Cistercian tradition could meet Zen without becoming Zen. The reception of his interreligious work outside Catholic circles has been broadly positive across decades.
Notable Quotes
- "In Louisville, at the corner of Fourth and Walnut, in the center of the shopping district, I was suddenly overwhelmed with the realization that I loved all those people, that they were mine and I theirs, that we could not be alien to one another even though we were total strangers. It was like waking from a dream of separateness, of spurious self-isolation in a special world, the world of renunciation and supposed holiness." — *Conjectures of a Guilty Bystander*, Part 3 (1966). - "There is no way of telling people that they are all walking around shining like the sun." — *Conjectures of a Guilty Bystander*, Part 3 (1966). - "My Lord God, I have no idea where I am going. I do not see the road ahead of me. I cannot know for certain where it will end. Nor do I really know myself, and the fact that I think I am following your will does not mean that I am actually doing so. But I believe that the desire to please you does in fact please you." — *Thoughts in Solitude*, Part Two, ch. 2 (1958). - "Our job is to love others without stopping to inquire whether or not they are worthy." — *No Man Is an Island*, ch. 9 (1955). - "I have left my Asian shoes at the entrance and walk barefoot on the wet grass… Looking at these figures I was suddenly, almost forcibly, jerked clean out of the habitual, half-tied vision of things, and an inner clearness, clarity, as if exploding from the rocks themselves, became evident and obvious. … I don't know when in my life I have ever had such a sense of beauty and spiritual validity running together in one aesthetic illumination." — *The Asian Journal*, entry for 4 December 1968 on the Buddha statues at Polonnaruwa, Sri Lanka.
Legacy
Merton's books have remained continuously in print since 1948. *The Seven Storey Mountain* has sold over a million copies in English and been translated into more than twenty languages. *New Seeds of Contemplation* is one of the most widely read modern Christian practice texts; it is on monastic novitiate reading lists across Catholic and Anglican religious houses and has had broad reception outside any confessional frame.
The Thomas Merton Center at Bellarmine University in Louisville, designated by Merton himself before his death, holds the principal archive — manuscripts, correspondence, audio tapes of his conferences, photographs, drawings, and personal library. The International Thomas Merton Society, founded in 1987, holds biennial conferences and supports chapters across the United States, the United Kingdom, and continental Europe. *The Merton Annual*, published since 1988, is the journal of record for scholarship on his life and work.
Institutionally, his bridge work fed directly into the contemplative renewal movements of the late twentieth century. Thomas Keating's Centering Prayer method (developed at St. Joseph's Abbey in Spencer, Massachusetts from 1975) and the Snowmass Inter-religious Conferences Keating founded in 1984 took the Merton dialogue model and built institutional structures around it. The Christian Meditation Community of John Main, the WCCM (World Community for Christian Meditation) retreat work, and the contemporary Wisdom School lineage of Cynthia Bourgeault all draw on Merton's work in different ways.
In interreligious life specifically, the friendships he formed during the November 1968 Dharamsala meetings — with the Fourteenth Dalai Lama, with Chögyam Trungpa in Calcutta, and with the senior abbots he met at Bhutan — became foundational reference points for Catholic-Buddhist dialogue across the following half-century. The Dalai Lama has spoken often of those meetings as among the most formative encounters of his early life outside Tibet.
In American Catholic memory, Merton occupies an unusual position. *The Seven Storey Mountain* is one of the few books from mid-twentieth-century Catholic publishing that still actively recruits converts — visible in the religious autobiographies of subsequent decades. The civil rights and antiwar writing places him in the lineage of Dorothy Day and Daniel Berrigan as one of the formative voices of the American Catholic Left. Pope Francis named Merton, along with Dorothy Day, Abraham Lincoln, and Martin Luther King Jr., as one of four great Americans in his 24 September 2015 address to the United States Congress.
The gravesite at the Abbey of Gethsemani — a plain white cross in the monks' cemetery — remains a quiet pilgrimage destination. The marker on Fourth and Walnut (now Muhammad Ali Boulevard) in Louisville, placed in 2008 on the fiftieth anniversary of the epiphany, marks the corner where the conversion narrative he had written in 1948 began visibly to unmake itself.
Significance
Thomas Merton is the figure through whom twentieth-century Western contemplative practice opened in two directions at once: outward into interreligious dialogue and back into engagement with the public world. He did neither by leaving the cloister. The whole arc happened from a Trappist monastery in rural Kentucky, much of it from a small concrete-block hermitage in the woods above the abbey's main complex.
His significance in the Christian contemplative tradition rests on three things. First, a body of writing that is unusual in modern religious literature for its self-revision. *The Seven Storey Mountain*, written in 1946-1947 when Merton was about thirty-two and published in 1948, sold over six hundred thousand copies in its first year and became the defining Catholic conversion narrative of the post-war American moment. By 1966, with *Conjectures of a Guilty Bystander*, Merton was openly critical of much of his earlier book's tone — its triumphalism, its world-rejection, its certainty. The journals, published posthumously between 1995 and 1998 in seven volumes, document the slow process of that change over twenty-seven years. The reader can follow a contemplative life adjusting itself in real time, which is not what Christian devotional literature usually offers.
Second, the interreligious work. Merton was reading Daisetz Suzuki's books on Zen by the early 1950s; the two corresponded for years and finally met in New York in 1964. His exchanges with the Vietnamese Zen monk Thich Nhat Hanh during Nhat Hanh's 1966 American visit produced one of the formative friendships across the Buddhist-Christian boundary in that century; Merton's essay *Nhat Hanh Is My Brother* helped legitimise Catholic opposition to the Vietnam War. *Mystics and Zen Masters* (1967) and *Zen and the Birds of Appetite* (1968) are the texts most often cited for Merton's contemplative reading of Zen, alongside *The Way of Chuang Tzu* (1965), his free renderings of Zhuangzi made in collaboration with John C. H. Wu. He read deeply in Sufism with the help of Louis Massignon's writing on al-Hallaj, in Sufi epistolary tradition with the Algerian scholar Abdul Aziz, and in classical Hindu thought through Ananda Coomaraswamy. None of this was undertaken as comparative theology in the academic sense. Merton's interest was practitioner-to-practitioner: what Zen calls *kensho*, what the Sufis describe under *fana*, what Cassian describes as *puritas cordis* — the same territory described in different vocabularies.
Third, the social writing. Beginning around 1962 Merton became one of the major Catholic voices on racial justice, nuclear weapons, and the Vietnam War. His *Cold War Letters*, circulated privately when his abbot forbade open publication on political topics, are some of the sharpest American Catholic writing of the early 1960s. The 1963 essay collection *Seeds of Destruction* and the 1968 *Faith and Violence* place him alongside Daniel Berrigan, Dorothy Day, and James Forest in the formation of the Catholic peace movement. The contemplative grounding of that work — the insistence that political action without interior clarity reproduces what it opposes — is what distinguishes Merton's social writing from the secular activist literature of the same decade.
The 1958 Louisville moment at Fourth and Walnut, recorded in his journal the day after and rewritten for *Conjectures*, is often read as the hinge between the early world-rejecting Merton and the later world-engaged one. The reading is true in outline but flattens how gradual the change was. The shift had been working in him since the mid-1950s. What the Louisville moment did was put words to it: "It was like waking from a dream of separateness, of spurious self-isolation in a special world, the world of renunciation and supposed holiness." After that sentence the rest of his work followed.
For the Christian contemplative tradition more broadly, Merton stabilised the position that withdrawal and engagement are not opposites. The monk's job is not to be holier than the world but to see the world without the screens that ordinary attention puts up. Anyone who has watched a contemplative life get used as a way to avoid social responsibility, or watched social activism corrode without an interior practice, will recognise why this work has stayed in print for sixty years.
Connections
Merton's primary contemplative lineage was Cistercian. He entered the Abbey of Gethsemani on 10 December 1941 as a novice under Abbot Frederic Dunne and made solemn profession in 1947. His reading and writing about earlier Cistercian and Carthusian sources — Bernard of Clairvaux, William of Saint-Thierry, Guigo II — runs through his contemplative books. *The Climate of Monastic Prayer* (published posthumously as *Contemplative Prayer* in 1969) is the synthesis text. Among modern Catholic figures, he had sustained correspondence with Jacques Maritain, Dorothy Day, Daniel Berrigan, Boris Pasternak, Czesław Miłosz, Etta Gullick, Rosemary Radford Ruether, and the Sufi scholar Abdul Aziz.
Within the Cistercian-Trappist line, Merton's influence runs forward through his students at Gethsemani in the 1950s and 1960s and through his published instruction on monastic life. Thomas Keating — though formed at Spencer in Massachusetts rather than Gethsemani — and Basil Pennington built the Centering Prayer method partly out of Merton's bridge work, founding the practice at St. Joseph's Abbey in Spencer in 1975 and developing the Snowmass Inter-religious Conferences from 1984 onward.
Cross-tradition resonances worth naming with specificity. The most documented dialogue is with Zen Buddhism: Merton's correspondence with D. T. Suzuki, his 1964 meeting with Suzuki, the friendship with Thich Nhat Hanh from 1966, the readings of Hui-neng and the Sixth Patriarch, and his readings of Linji and Dogen visible in *Mystics and Zen Masters*. In Tibetan Buddhism, three meetings with the Fourteenth Dalai Lama at Dharamsala in November 1968 are documented in *The Asian Journal*; the Dalai Lama has spoken of Merton repeatedly across the decades since. With Sufism, the long correspondence with Abdul Aziz (1960-1968) about *fana*, *baqa*, and Sufi theological method is the major source; Louis Massignon's writing on al-Hallaj was the other channel. With Daoism, his free renderings of Zhuangzi in *The Way of Chuang Tzu* (1965), produced with John C. H. Wu, brought Daoist material into popular American religious reading. None of this is syncretism. Merton was clear in *Zen and the Birds of Appetite* that the categorical differences between traditions are real and should be held precisely. The convergences are at the level of practice and what practice shows about the person practising.
Further Reading
- Merton, Thomas. *The Seven Storey Mountain*. Harcourt, Brace and Company, 1948.
- Merton, Thomas. *Conjectures of a Guilty Bystander*. Doubleday, 1966.
- Merton, Thomas. *The Asian Journal of Thomas Merton*. Edited by Naomi Burton, Brother Patrick Hart, and James Laughlin. New Directions, 1973.
- Merton, Thomas. *The Journals of Thomas Merton*, 7 vols. General editor Patrick Hart. HarperSanFrancisco, 1995-1998.
- Mott, Michael. *The Seven Mountains of Thomas Merton*. Houghton Mifflin, 1984.
- Shannon, William H. *Silent Lamp: The Thomas Merton Story*. Crossroad, 1992.
- Forest, Jim. *Living with Wisdom: A Life of Thomas Merton*, revised edition. Orbis, 2008.
- Pramuk, Christopher. *Sophia: The Hidden Christ of Thomas Merton*. Liturgical Press, 2009.
Frequently Asked Questions
How did Thomas Merton die?
Merton died on 10 December 1968 in a cottage at the Sawang Khaniwat Red Cross retreat centre in Samut Prakan, near Bangkok, Thailand, while attending the first conference of the Asian monastic federation. He had just delivered a morning address on Marxism and monastic perspectives. He was found in his cottage room after lunch, lying on his back with a large floor fan across his body. A Thai police investigation found a faulty electric cord on the fan but the official cause of death was recorded as sudden heart failure occurring before Merton came into contact with the fan. The AP wire report on 11 December 1968 said electrocution, and that has remained the popular narrative — but the underlying Thai records say heart attack first. He was fifty-three. His body was repatriated to the Abbey of Gethsemani in Kentucky and buried in the monks' cemetery on 17 December 1968, twenty-seven years to the day after he had entered the monastery as a novice.
What is the Fourth and Walnut moment and why is it important?
On 18 March 1958 Merton was running errands for the monastery in downtown Louisville, Kentucky, at the corner of Fourth and Walnut. He recorded in his journal that day, and revised in *Conjectures of a Guilty Bystander* eight years later, an experience of being "suddenly overwhelmed with the realization that I loved all those people, that they were mine and I theirs, that we could not be alien to one another even though we were total strangers." The passage is often read as the hinge between the early world-rejecting Merton of *The Seven Storey Mountain* and the later world-engaged Merton of the civil rights and antiwar essays. The site is now called Thomas Merton Square, marked by a historical plaque placed on the fiftieth anniversary in 2008.
What was Merton's relationship with Buddhism?
Merton corresponded with the Japanese Zen scholar D. T. Suzuki for several years and finally met him in New York in 1964. He was close to the Vietnamese Zen monk Thich Nhat Hanh during Nhat Hanh's 1966 American visit. He met the Fourteenth Dalai Lama three times at Dharamsala in November 1968. His Buddhist reading is collected in *Mystics and Zen Masters* (1967) and *Zen and the Birds of Appetite* (1968). The work is dialogue, not syncretism. Merton was clear that the doctrinal categories of Christianity and Buddhism are distinct and should be held precisely, while the practitioner-level convergences in what contemplative practice does to a person are real and worth study. He did not consider himself a Buddhist.
Why was The Seven Storey Mountain so influential?
*The Seven Storey Mountain*, published by Harcourt, Brace in 1948, sold over six hundred thousand copies in its first year and has remained continuously in print since. It is a spiritual autobiography written when Merton was about thirty-two and covering his life up to entry into Gethsemani in December 1941 — his French and English childhood, his Cambridge and Columbia years, his Catholic baptism at Corpus Christi Church in New York in 1938, and the conversion narrative that led him to the Trappists. The book recruited a generation of post-war Americans into Catholic religious life and into contemplative practice. Merton himself was openly critical of its tone in later years — the triumphalism, the world-rejection, the certainty — but its reach as a religious memoir has been compared to Augustine's *Confessions* in American Catholic literary history.
What was the Asian Journal and what happened during the 1968 Asia trip?
*The Asian Journal of Thomas Merton* was published posthumously in 1973, edited from the notebooks Merton kept on his autumn 1968 Asia trip — his first sustained travel outside the United States since entering Gethsemani in 1941. The trip ran from 15 October to 10 December 1968 and included Calcutta, New Delhi, Dharamsala (where he met the Dalai Lama on 4, 6, and 8 November), Madras, Polonnaruwa in Sri Lanka (the contemplative moment in front of the Buddha statues on 2 December that he described as one of the most significant of his life), and Bangkok, where he died on the morning of 10 December at the Asian monastic conference. The journal is read both as travel writing and as the working notes of a contemplative absorbing in person what he had been reading for two decades.
Was Thomas Merton ever in love?
In spring 1966, while recovering from spinal surgery at Saint Joseph's Hospital in Louisville, Merton became emotionally involved with a student nurse who is usually called M. in the literature, then about twenty-five years old. Merton was fifty-one. The relationship — chronicled in his own journal (volume 6: *Learning to Love*) — was emotionally intense, physically restrained according to his accounts, and ended within several months when his confessor and the abbey learned of it. Merton renewed his vows and remained at Gethsemani. The journals from this period were sealed for twenty-five years after his death by the terms of his will and published in 1997. Different biographers read the episode differently — as a serious lapse, as a human limitation honestly documented — but the historical record is clear and is in his own handwriting.
Is Thomas Merton considered a saint?
No formal cause for canonization has been opened by the Catholic Church. Merton has never been formally proposed for beatification, and the United States Conference of Catholic Bishops declined to include him in the U.S. Catholic Catechism for Adults in 2006. The 1966 relationship with M., his interreligious work, and his social writing are sometimes cited by those resistant to a formal cause. Within the broader Christian and interreligious world, his standing as a major twentieth-century spiritual writer is widely acknowledged regardless of canonical status. Pope Francis named him as one of four great Americans — alongside Dorothy Day, Abraham Lincoln, and Martin Luther King Jr. — in his 24 September 2015 address to the U.S. Congress.