Quotes about reason
page 31

" Ascribing Mental Qualities to Machines http://www-formal.stanford.edu/jmc/ascribing.html" (1979) Sect. 1: Introduction. Reprinted in Formalizing Common Sense: Papers By John McCarthy, 1990, ISBN 0893915351
1970s

1800s, Letter to George Churchman and Jacob Lindley (1801)

Just where are those grid killing tornadoes anyway? http://wattsupwiththat.com/2009/06/17/just-where-are-those-grid-killing-tornadoes-anyway/, wattsupwiththat.com, June 17, 2009.
2009

Source: Realistic models in probability (1968), p. 1

Letter to George Washington (November 1779)

“Wave Mechanics,” p. 75
On Science, Necessity, and the Love of God (1968)

Muntakhabut-Tawarikh, translated into English by George S.A. Ranking, Patna Reprint 1973, Vol. I, p. 17-28
Quotes from Muslim medieval histories

Source: The Courage to Create (1975), Ch. 7 : Passion for Form, p. 134

Source: Treatise Concerning Eternal and Immutable Morality (1731), Ch. 1, sct. 3
Social Sciences as Sorcery (1972)

Speech given at a Dean Martin Celebrity Roast. Viewable here http://www.youtube.com/watch?v=VlKR0i-51S4.

F*** You! Mr. President: Confessions of the Father of the Neutron Bomb (2006)

Letter 12, 11–13; on the death of his friend Cornelius Rufus.
Letters, Book I
Visions of Politics (2002), "Interpretation, rationality and truth"

criticizing the Cambridge School of criticism, e.g. John Middleton Murry and Herbert Read, “Fine Writing,” pp. 306-307
Reperusals and Recollections (1936)

Reason Rally speech, National Mall, Washington, DC,

Alfred Marshall Mayer, Lecture-notes on Physics (1868) Part 1 https://books.google.com/books?id=hqsLAAAAYAAJ

Presidential news conference http://www.eisenhower.archives.gov/all_about_ike/quotes.html (13 May 1959)
1950s
Source: Heart of Ice A Triple Threat Novel with April Henry (Thomas Nelson), p. 41

Mont Saint Michel and Chartres (1904)

Editor's Introduction, The Teaching of Elementary Mathematics https://books.google.com/books?id=NKoAAAAAMAAJ (1906) by David Eugene Smith
Source: The Romantic Rebellion (1973), Ch. 6: Blake

Quote from Malevich's letter to the composer Matiushin, June 1913; as quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008, p. 266
1910 - 1920

Reuters News Agency (October 10, 2005)
2007, 2008

“One needs only eyes to see the necessary influence of old age on reason.”
p, 125
Man a Machine (1747)

2010s, Hard Truths: Law Enforcement (2015)

On his vegan diet, in "Lean, Mean and Green…Vegan Fighter Mac Danzig Packs a Punch", in The MMA Digest.com (7 August 2007) http://www.themmadigest.com/lean-mean-and-green%E2%80%A6vegan-fighter-mac-danzig-packs-a-punch/

He at the same time assured Mahmood, that to whomsoever he should bequeath the throne at his death, he himself would confirm and support the same.'
Tarikh-i-Firishta, translated into English by John Briggs under the title History of the Rise of the Mahomedan Power in India, 4 Volumes, New Delhi Reprint, 1981. p. 38-49 (Alternative translation: "but the champion of Islam replied with disdain that he did not want his name to go down to posterity as Mahmud the idol-seller (but farosh) instead of Mahmud the breaker-of-idols (but shikan)." in Lal, K. S. (1992). The legacy of Muslim rule in India. New Delhi: Aditya Prakashan. Chapter 3)
Sack of Somnath (1025 CE)
On Martin Amis, p. 205
Memoirs, North Face of Soho (2006)

Trey Bundy as published on FatFreeRadio.net on December 4, 2000.

“Mathematical Reasoning is not only exact; it has its own criteria of reality”
pg 52.
Science in a Free Society (1978)
Reason and Rationality (2009)

A Plaine Discovery of the Whole Revelation of St. John (1593) Preface, as quoted by David Stewart Erskine Earl of Buchan, Walter Minto, An Account of the Life, Writings, and Inventions of John Napier, of Merchiston (1787) a reference to his education at the University of St. Andrews

Blake's Exhibition and Catalogue of 1809, A Descriptive Catalogue of Pictures: Number V. The Ancient Britons
1800s

In Artists on Art – from the 14th – 20th centuries, ed. by Robert Goldwater and Marco Treves; Pantheon Books, 1972, London, p. 233
quote circa 1853, in which Delacroix relates painting to theater from the view of the visitor / spectator
1831 - 1863

J. Hanks, trans. (1985), p. 213
The Humiliation of the Word (1981)
Knowing Yourself: The True in the False (1996)
Violence is Golden
A Sky Without Eagles (2014)

The Novel: What It Is (1893)

Source: Dictionary of Burning Words of Brilliant Writers (1895), p. 551

Sacrifice
1860s, May-Day and Other Pieces (1867)
Variant: Though love repine, and reason chafe,
There came a voice without reply, —
"'Tis man's perdition to be safe,
When for the truth he ought to die."

[I Break a Record and have a Swell Time Besides, Flying magazine, http://familypedia.wikia.com/wiki/File:Eddie_August_Schneider_October_1931_Flying_magazine_page_1_of_5.png, October 1, 1930, Eddie August Schneider]

Further response to the above question
1950s, Freedom From the Self (1955)

Talk at the Cathedral Church of Saint John the Divine, NYC https://web.archive.org/web/20120429183018/http://www.abrupt.org/abruptlog/logos/terence-mckenna-at-saint-johns-2785/ 25 April 1996

Letter that he wrote to his older brother Seshama Raju (1947) [Better dating and sourcing of any publication would be useful here]

Source: Inductive Reasoning and Bounded Rationality (The El Farol Problem) (1994), p. 8

Source: The Limits of Evolution, and Other Essays, Illustrating the Metaphysical Theory of Personal Ideaalism (1905), The Harmony of Determinism and Freedom, p.338-9

Source: "The End of Reason" (1941), p. 45.
Introducing "Secret Service Freedom Fighting U.S.A."
Live

Letter to Albert Gallatin, 1815. http://www.yamaguchy.netfirms.com/7897401/jefferson/gallatin1.html ME 14:356
Posthumous publications, On financial matters

As quoted in "The Freedom of Association" http://www.lewrockwell.com/rockwell/freedom-of-association145.html (1 June 2010).
2010s

Íslandsklukkan (Iceland's Bell) (1946), Part I: Iceland's Bell

Speech to the Byron centenary luncheon (29 April 1924), quoted in On England, and Other Addresses (1926), pp. 123-124.
1924

Reason for withdrawal from COMESA, September 1999 http://ospiti.peacelink.it/npeople/sep99/Pag1sept.html
1999

1920s, Whose Country Is This? (1921)

Speech at Democratic Rally, George Washington High School Stadium, Alexandria, Virginia (24 August 1960) http://www.presidency.ucsb.edu/ws/?pid=74188
1960
Posted https://www.reddit.com/r/UnidanFans/comments/1mubgx/q_for_unidan_from_my_8yo_daughter_do_spiders_fart/cccqton in response to "Do spiders fart?" (2013)

Source: Object-Oriented Software Engineering: A Use Case Driven Approach (1992), p. 185: cited in: " Object Oriented Software Engineering: A Use Case Driven Approach Ivar Jacobson, et al. (1992) http://tedfelix.com/software/jacobson1992.html", Book review by Ted Felix on tedfelix.com, 2006.

“Reason shows us our duty; he who can make us love our duty is more powerful than reason itself.”
No. 15.
Maxims and Moral Sentences

Maxim 428, trans. Stopp
Maxims and Reflections (1833)

Third Thesis
Idea for a Universal History from a Cosmopolitan Point of View (1784)

Message, linux-kernel mailing list, 1996-10-17, IU, Torvalds, Linus, 2017-04-25 http://lkml.iu.edu/hypermail/linux/kernel/9610.2/0030.html,
1990s, 1995-99

As quoted in "Basis for an Assured Faith", in The Watchtower magazine (15 June 1981)

Tim Teeman, "The importance of being Childish", http://www.timesonline.co.uk/article/0,,22876-2475809.html The Times, 2006-12-02
On his father and a fight they had when Childish was 20 years old.

About Barack Obama's birth certificate. * Fox & Friends
Television
Fox News
2011-03-28
Fox Goes Birther: Trump Tells Unquestioning Co-hosts, "I'm Starting To Wonder...Whether Or Not <nowiki>[Obama]</nowiki> Was Born In This Country"
Media Matters for America
2011-03-28
http://mediamatters.org/mmtv/201103280006
2011-03-30
2010s, 2011

“J.D. Fortune GoVeg.com Public Service Announcement,” video ad for People for the Ethical Treatment of Animals (16 July 2008) https://www.youtube.com/watch?v=BhrxhmLG96c.

Source: Contributions to Modern Economics (1978), Chapter 21, Latter-Day Capitalism, p. 239

Testimony of Albert Speer, Munich, 15 June 1977 http://www.jewishvirtuallibrary.org/jsource/Holocaust/speer.html