Quotes about ignorance
page 11

Un Art de Vivre (The Art of Living) (1939), The Art of Working

Encountering Directors interview (1969)
Vol. I; I
Lacon (1820)

Episode 578: "Still More Scamlets" https://www.youtube.com/watch?v=oDcLAeTm5AY, Channel Austin (November 9, 2008)
The Atheist Experience

“ Why I’ll Stay Away from the Opening Ceremony of the Olympics http://www.guardian.co.uk/commentisfree/2008/aug/07/olympics2008.china.” Guardian, August 7, 2008.
2000-09, 2008

The Tragic Sense of Life (1913), Conclusion : Don Quixote in the Contemporary European Tragi-Comedy

Bartlett's Familiar Quotations, 10th ed. (1919), Journal

As quoted in "Notable & Quotable: The Victims of Socialism" https://web.archive.org/web/20160217064704/http://www.wsj.com/articles/notable-quotable-the-victims-of-socialism-1455667462 (17 February 2016), The Wall Street Journal, A13
2000s, Can There Be an "After Socialism"? (2003)

Source: The Tales of Alvin Maker, Alvin Journeyman (1995), Chapter 14.

Black, Conrad et al, "A Brief to the Special Senate Committee on the Mass Media from the Sherbrooke Record...", 1969 : Despite Black's involvement in press ownership, he heaped scorn on journalism

Creation seminars (2003-2005), The Garden of Eden

“Theology is now little more than a branch of human ignorance. Indeed, it is ignorance with wings.”
2000s, The End of Faith (2004)

Source: Are We Victims of Propaganda, Our Invisible Masters: A Debate with Edward Bernays (1929), p. 145

Books, There’s Probably No God - The Atheist’s Guide to Christmas (2009)
Part I, Chapter 1, Economics in Crisis, p. 14
The Death of Economics (1994)

Sahih al-Bukhari and Sahih Muslim, as quoted by Ahmed Shendy Yousef in The Brotherhood in Islam, Message to the Jews, Christians and Muslims page 30.
Sunni Hadith

“… children of ignorance, who have at all times made the misfortunes of the human races.”
...enfans de l'ignorance qui ont fait en tous tems le malheur des races humaines.
[in Gracchus Babeuf avec les Egaux, Jean-Marc Shiappa, Les éditions ouvrières, 1991, 49, 27082 2892-7, ; Avec l'orthographe personnelle de Babeuf]
On prejudices

TRIAMIS I, JOURNALS AND DIALOGUES
The White Luck Warrior (2011)
“Education costs money, but then so does ignorance.”
The Daily Telegraph, 21 August 1990 http://www2.gsu.edu/~dscthw/8350/bayes/perfinfo.pdf
http://www.cuhk.edu.hk/ics/21c/supplem/essay/0007038.htm

Sultan Shamsu’d-Din Iltutmish (AD 1210-1236) Vidisha (Madhya Pradesh) Zafaru’l-Walih Bi Muzaffar Wa Ãlihi Zafaru’l Walih Bi Muzaffar Wa Ãlihi, translated into English by M.F. Lokhandwala, Baroda, 1970 and 1974, Vol. II, p. 575.

Source: Vamps and Tramps (1994), "No Law in the Arena: A Pagan Theory of Sexuality", p. 31

About relationship to Czechoslovakia. Parliamentary speech on November 26, 1940. Meeting of The Slovak Assembly, November 26, 1940. The Joint Czech and Slovak Digital Parliament Library. http://www.nrsr.sk/dl/Browser/Document?documentId=178753
Relationship to Czechoslovakia
"No Science Without Fancy, No Art Without Facts", p. 48
I Have Landed (2002)

From Diplomacy and Art http://diplomatartist.com/diplomacy-art/, a contributer article for Diplomat Artist, October 10, 2015

Source: The End of Science (1996), p. 88

“Reading is the way out of ignorance, and the road to achievement.”
Source: Think Big (1996), p. 22

But companies do not seem to use the term "free software" that way; perhaps its association with idealism makes it seem unsuitable. The term "open source" opened the door for this.
1990s, Why "Free Software" is better than "Open Source" (1998)

From Her Books, I Have Chosen To Stay And Fight, PIGEONHOLING PEOPLE
Source: Gormenghast (1950), Chapter 17 (p. 484)

Calvin to the Foreigners’ Church in London, 1552-10-27, in George Cornelius Gorham, Gleanings of a few scattered ears, during the period of Reformation in England and of the times immediately succeeding : A.D. 1533 to A.D. 1588 http://books.google.com/books?vid=0bbTMcT6wXFWRHGP&id=esICAAAAQAAJ&printsec=titlepage&dq=%22george+cornelius+gorham%22 (London: Bell and Daldy, 1857), p. 285.

Source: Light on Life: The Yoga Journey to Wholeness, Inner Peace, and Ultimate Freedom, P.x

“From ignorance our comfort flows.
The only wretched are the wise.”
To the Honorable Charles Montague (1692).

Declaration of Conscience (1950)

" Knowledge and Information http://naggum.no/erik/knowledge.html".
Paris Review interview (1986)
Source: Black Theology and Black Power (1969), p. 24

Address to an educational workshop, Suva, 13 July 2005.

undated quotes, The Daily Practice of Painting, Writings (1962-1993)

Statement at the Knesset upon receiving the Wolf Prize, May 9, 2004, transcript online https://electronicintifada.net/content/daniel-barenboims-statement-knesset-upon-receiving-wolf-prize-may-9-2004/5080 (16 May 2004) at The Electronic Intifada.

2010s, Hard Truths: Law Enforcement (2015)

Even so, however, the Catholic dervishes are obviously responsible for the eventual dominance of mestizos in "Latin" America, and many similar misfortunes.
The Jewish Strategy, Chapter 12 "Christianity"
1990s, The Jewish Strategy (2001)

"An interview with Nicholas Wade" http://www.americanscientist.org/bookshelf/pub/nicholas-wade, American Scientist (April 2006).

“He's quoting Dungeons and Dragons. Ignore him.”
Clary about Simon, pg. 141
The Mortal Instruments, City of Ashes (2008)

This "aphorism" was expressed in different forms by Josh Billings and Socrates. note: Often misquoted as, "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge," and often misattributed to Stephen Hawking.
Source: Cleopatra's Nose: Essays on the Unexpected (1995).

“Everyone's friend is his reason; his enemy is his ignorance.”
Muhammad Kulayni, Usūl al-Kāfī, vol.1, p. 11 ; Wasā'il al-Shī‘ah, vol.1, p. 161.
Regarding Knowledge & Wisdom, General
Evolution of living organisms: evidence for a new theory of transformation (1977)

Source: "Jack Kemp, American Socialist" by Jeffrey Tucker, The Rothbard-Rockwell Report, September 1996, UNZ.org, 2016-05-22 http://www.unz.org/Pub/RothbardRockwellReport-1996sep-00001,

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 95.

"Africa Deserves a Closer Look," The World and I, February 1997, by Michael Johns.

EGPaIV" Edward Gibbon, [1788], Decline and Fall of the Roman Empire http://www.sacred-texts.com/cla/gibbon/05/daf05010.htm, Vol. 5, Chapter L: Description Of Arabia And Its Inhabitants. Part IV.
The Decline And Fall Of The Roman Empire: Volume 1 (1776)

Lin Carter Dragons, Elves, and Heroes (1969; New York: Ballantine, 1971) p. 127.
Criticism

Charlotte Brontë, on Modern Painters, Vol. 1 (1843), by John Ruskin. Letter to W. S. Williams (31 July 1848) The Letters of Charlotte Brontë
The Murder of History, critique of history textbooks used in Pakistan, 1993

Is Intelligent Design Testable — A Response to Eugenie Scott
2011-01-24
The Golden Spiral
http://www.metanexus.net/magazine/tabid/68/id/2667/Default.aspx
2011-10-23
responding to Eugenie Scott's 2001-01-18 lecture at U.C. Berkeley, "Icons of Creationism: The New Anti-Evolutionism and Science"
2000s
“The extent of my ignorance oppresses me.”
Source: The Gate to Women's Country (1988), Chapter 16 (p. 171)

" Chiapas: The Southeast in Two Winds http://struggle.ws/mexico/ezln/marcos_se_2_wind.html" (August 1992)

Prometheus
Poems (1851), Prometheus

“C++ is a language strongly optimized for liars and people who go by guesswork and ignorance.”
Re: is CLOS reall OO? http://groups.google.com/group/comp.lang.lisp/msg/917737b7cc8510e3 (Usenet article).
Usenet articles, C++

Source: Natural Theology (1802), Ch. 26 : The Goodness of the Deity.
“As for your ignorance — do not fear it. Instead be humbled by it and tend to it.”
Source: Life, the Truth, and Being Free (2010), p. 120
“Freud to Paul: The Stages of Auden’s Ideology”, p. 169
The Third Book of Criticism (1969)

"In the Sun" - YouTube video http://www.youtube.com/watch?v=pZ3cTwI9bIw
Volume Two (2010)

Disme: the Art of Tenths, Or, Decimall Arithmetike (1608)

Morarji Desai speaks about life and celibacy

From Her Books, I Have Chosen To Stay And Fight, RACISM AND CIVIL RIGHTS

“To fight an enemy properly, you have to know what they are. Ignorance is defeat.”
Source: Short fiction, Hardfought (1983), p. 54

President Kaczyński's comment on words above. (2002)