Quotes about conviction
page 3
"Balance Sheet On Our History," Quadrant (July 1993)

1920s, Speech on the Anniversary of the Declaration of Independence (1926)

1920s, Whose Country Is This? (1921)

From an interview. Reported in The Vegetarian Magazine, Volume 11, Issue 2 https://books.google.it/books?id=PjugAAAAMAAJ, 1907, p. 22.

Broadcast (30 June 1940), quoted in Keith Feiling, Neville Chamberlain (London: Macmillan, 1946), p. 449.
Post-Prime Ministerial

Letter to John Bright (14 September 1854), quoted in John Morley, The Life of Richard Cobden (London: T. Fisher Unwin, 1905), p. 626.
1850s
1940s, The Question – What is your Hope' (c. 1940s)

23 August 2018 http://www.maximebernier.com/why_i_am_leaving_the_conservative_party_of_canada
2018
Source: The Christian Agnostic (1965), p.79 [ellipsis added]

The Evolution of A Revolt (1920)

Aurobindo, from a letter of Sri Aurobindo that C.R. Das was reading out while defending him in the Alipore Bomb Trial. C.R. Das Speech in defence of Aurobindo Ghosh in the Maincktala Bomb Case. The judgement was issued in 1909. Source: Collected Works of Deshbandhu.

In Cuba, after paying his respects at Fidel Castro's funeral, Julius Malema in Cuba for Castro's funeral https://www.youtube.com/watch?v=vQy8ALs-aIo, SABC News (5 December 2016)

The Egyptians made more money from it than ever did the Suez Canal Company.
Memoirs, Volume Two
Source: NB: ghost-written post-mortem by Munro and Inglis

Letter to Charles Bray (15 November 1857)

Floris Cohen, The Scientific Revolution: A Historiographical Inquiry (1994)

Explaining the function of a Pastor - "Prophetic Birth - A Wednesday Wonder" https://archive.is/20120729114538/www.allvoices.com/contributed-news/3456647-prophetic-birth-a-wednesday-wonder All Voices (June 15, 2009)

Statement http://6abc.com/news/mumia-abu-jamal-speech-met-with-vigil-for-slain-officer/337357/ by Maureen Faulkner, widow of Daniel Faulkner, upon Abu-Jamal's delivering the Commencement Address at Goddard College in 2014
About

Writing for the court, Rochin v. California, 342 U.S. 165 (1952). The unanimous decision reversed the conviction of an alleged drug addict because evidence was obtained by forced stomach pumping.
Judicial opinions

Addressing the Pretoria Supreme Court judge in 1978 shortly after his conviction on a charge of high treason, as quoted in Down with Afrikaans - Oakes, D. (ed.), 1988. Illustrated history of South Africa – The real story, Reader’s Digest: Cape Town http://www.sahistory.org.za/archive/down-afrikaans-oakes-d-ed1988-illustrated-history-south-africa-%26ndash%3B-real-story-reader%E2%80%99s-digest-, sahistory.org.za

Cited in Fundamentals of Political Science http://leninist.biz/en/1975/FPS559/3.1-The.Dawn.of.a.New.Era-

2010s, 2015, Speech on (20 July 2015)

Cited in: Roger Martin, Karen Christensen (2013) Rotman on Design. p. 213
New millennium, Harvard Business School Press conference, 2002

as cited in: Thurman Arnold (2000, 72-73).
New York Times interview, 1935

As quoted by George Mason University's History Matters: “More Like A Pig Than a Bear”: Mariano Guadalupe Vallejo Is Taken Prisoner During the Bear Flag Revolt, 1846
Historical and Personal Memoirs Relating to Alta California (1875)

Letter to his brother (30 January 1832), quoted in John Morley, The Life of Richard Cobden (London: T. Fisher Unwin, 1905), p. 20.
1830s

How enviable a quiet death by lethal injection compared with that!
Callins v. Collins 510 U.S. 1141 (1994) (Scalia, J., concurring in denial of cert).
1990s
Source: More Than Human (1953), Chapter 3, p. 184

Source: Academy Series - Priscilla "Hutch" Hutchins, Cauldron (2007), Chapter 36 (p. 322)
Source: God Lived with Them, p.437

As quoted by David Ablin and Marlowe Hood (March 14, 1985), "The Lesser Evil: An Interview with Norodom Sihanouk" http://www.nybooks.com/articles/archives/1985/mar/14/the-lesser-evil-an-interview-with-norodom-sihanouk/?pagination=false, The New York Review of Books.
Interviews

1920s, The Reign of Law (1925)

A Fragment on Progress (1891)
Source: The Secular Bible: Why Nonbelievers Must Take Religion Seriously (2005), p. 65

Speech delivered at Agra University Convocation on 23rd November 1940.
"The Tallest Tale", p. 318
Leonardo's Mountain of Clams and the Diet of Worms (1998)
Now I See http://books.google.com/books?id=fEXZAAAAMAAJ&q=%22The+modern+theory+that+you+should+always+treat+the+religious+convictions+of+other+people+with+profound+respect+finds+no+support+in+the+Gospels+Mutual+tolerance+of+religious+views+is+the+product+not+of+faith+but+of+doubt%22&pg=PA101#v=onepage (1933)
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 186.
Paul R. Lawrence and Nitin Nohria, Driven: How Human Nature Shapes Our Choices, 2002

'Essays in Science (1934) p. 11. Reprinted in Ideas and Opinions On Scientific Truth (1954) p. 261, Crown Publishers, Inc. New York, New York, USA, 1954, ISBN 0679601058.
1940s

“Disease is a conviction, and I was born with that conviction.”
La malattia è una convinzione ed io nacqui con quella convinzione.
Source: La coscienza di Zeno (1923), P. 11; p. 14.
Source: Natural Right and History (1953), p. 116
Beryl Korot, in: " Steve Reich and Beryl Korot by Julia Wolfe http://bombmagazine.org/article/2521/steve-reich-and-beryl-korot," BOMB 81, Fall 2002

Französische Bühne (The French Stage), ch. 9 (1837)
Original: (de) Die Menschen in jener alten Zeit hatten Überzeugungen, wir Neueren haben nur Meinungen, und es gehört etwas mehr als eine bloße Meinung dazu, um so einen gotischen Dom aufzurichten.

1870s, Fifth State of the Union Address (1873)

Source: The Mind and the Brain, 1907, p. 43

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 318.
Source: Dictionary of Burning Words of Brilliant Writers (1895), p. 324.

Source: Fragments from Reimarus: Consisting of Brief Critical Remarks on the Object of Jesus and His Disciples as Seen in the New Testament, p. 69

Speech on the election trail after the June 2017 London Bridge attack (7 June 2017). http://www.bbc.com/news/election-2017-40181444
2010s, 2017

Speech http://hansard.millbanksystems.com/lords/1918/nov/18/the-armistice-address-to-his-majesty in the House of Lords (18 November 1918).

"A Nation Is Never Finished", ABA Journal (November 1967), Volume 53, page 1011.

In his Memoirs of the Life, Writings, and Discoveries of Sir Isaac Newton, vol. 2 (Edinburgh: 1855)

Source: Science and the Unseen World (1929), Ch. IV, p.42-43

1920s, Speech on the Anniversary of the Declaration of Independence (1926)

J. Agee, trans. (1989), p. 76
Das Geheimherz der Uhr [The Secret Heart of the Clock] (1987)

Page 122
2000s, Promises to Keep (2008)

Persecution and Tolerance, Hulsean Lectures, University of Cambridge (Winter 1893–94)

Source: The Geological Evidences of the Antiquity of Man (1863), Ch.20, p. 392-393
Source: Men Under Stress, 1945, p. 38-39 cited in: The Clare Spark Blog (2009) Strategic Regression in “the greatest generation” http://clarespark.com/2009/12/09/strategic-regression-in-the-greatest-generation/ December 9, 2009

Political Science for Civil Services Main Examination (2010)

Letter to Marin Mersenne (end of Feb., 1634) as quoted by Amir Aczel, Pendulum: Leon Foucault and the Triumph of Science (2003)

Salon.com column http://www.salon.com/mwt/col/waldman/2005/08/15/judgment/index1.html

2010s

New Year Message as Conservative candidate for Dartford (29 December 1950) http://www.margaretthatcher.org/document/100896
1950s

The Intervention Magazine, interventionmag.com http://www.interventionmag.com/cms/modules.php?op=modload&name=News&file=article&sid=408,
Property (1935)

Source: Simon Stevin: Science in the Netherlands around 1600, 1970, p. 1; Lead paragraph

as translated by Arnold Dresden from: Brouwer, L. E. J. (1913). Intuitionism and formalism. Bulletin of the American Mathematical Society, 20(2), 81–96. (quote on p. 84)

"The Astronomical Aspect of the Theory of Relativity" (1933)

National Labor Relations Board v. Federbush Co., 121 F.2d 954, 957 (1941).
Judicial opinions
Source: The Christian Agnostic (1965), p.50

if someone had spoken like this to me, I wouldn’t even have understood his point.
My Women.The New Yorker https://archive.is/20121204150452/www.newyorker.com/fact/content/articles/050613fa_fact 6 June 2005
Articles and Interviews

David Lloyd George, The Truth about the Peace Treaties. Volume I (London: Victor Gollancz, 1938), p. 252.
About

The Intervention Magazine, interventionmag.com http://www.interventionmag.com/cms/modules.php?op=modload&name=News&file=article&sid=408,
John R. Platt (1960) " The sweep and excitement of science http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1929478/" in: Public Health Rep. 1960 June; 75(6). p. 495

A Heritage For All Who Love The Law 51 ABAJ 330 (1965); quoted by United States Senator Howell Heflin during the confirmation debate for Justice David Souter, on September 24, 1990, S13540.
Other writings

God and the World, published October 2000, as reported by National Catholic Reporter
2000

1930s, Address at San Diego Exposition (1935)