“Alexander Dargatz,” interview with Vegan Bodybuilding & Fitness (2005) http://www.veganbodybuilding.com/?page=bio_alex.
Quotes about strength
page 14

Singh on his cricket performance, quoted on sports.ndtv, "Harbhajan Singh Says He Relies On His Strength Which Has Served Him Well For 15 Years" http://sports.ndtv.com/australia-vs-india-2015-16/news/253472-harbhajan-singh-says-he-relies-on-his-strength-which-has-served-him-well-for-15-years, December 22, 2015.
Source: Life, the Truth, and Being Free (2010), p. 46

“God's help, the love of the people, the strength of Denmark.”
Margrethe II's royal motto, chosen upon her accession to the throne.
Queenship

On Fredrick the Great (1842)

Source: 20th century, "Populär-wissenschafliche Vorlesungen" (1908), pp. 224-225: On thought-economy in m., 203.
Devyani Khobragade letter to her colleagues: The full text http://www.washingtonpost.com/world/devyani-khobrogade-letter-to-her-colleagues-the-full-text/2013/12/18/aaad7018-6804-11e3-ae56-22de072140a2_story.html, The Washington Post, 18 December 2014
Source: "Games with Incomplete Information," 1997, p. 138

" Prime Minister Blair's speech http://www.nytimes.com/2005/07/16/international/europe/17text-blair.html?ex=1174104000&en=fc0f4a2452f34103&ei=5070", New York Times, 16 July 2005.
Speech to the Labour Party National Policy Forum.
2000s
The Oaken Heart

Source: Let Your Life Speak: Listening for the Voice of Vocation (1999), p. 53
“There is not an ounce of our former strength which is not doing some sort of job, right now.”
Source: Meditations in Wall Street (1940), p. 38

“Strength of body is nobility in beasts of burden, strength of character is nobility in men.”
Source Book in Ancient Philosophy (1907), The Golden Sayings of Democritus

Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VI "Pozzolana" Sec. 1

Scotland in the World Forum (February 4, 2008), Church of Scotland (May 25, 2009)

The answer is everything!
Presidential campaign (April 12, 2015 – 2016), Speech in Reno, Nevada (August 25, 2016)

1960s, Address to Local 815, Teamsters and the Allied Trades Council (1967)
Vol. I; CCCCXII
Lacon (1820)

“We are one another's strength.”
On mutual relationships - "Hope Awakens For The Forsaken" https://archive.is/20130628101823/www.allvoices.com/contributed-news/4113238-hope-awakens-for-forsaken All Voices (September 8 2009)

Broadcast from London (25 September 1933), quoted in This Torch of Freedom (1935), p. 14.
1933

The Story of the Malakand Field Force: An Episode of Frontier War (1898), Chapter I
Description of the tribal areas of what is now Pakistan, commonly referred to as Waziristan
Downloadable eText version(s) of this book can be found online http://onlinebooks.library.upenn.edu/webbin/gutbook/lookup?num=9404 at Project Gutenberg
Early career years (1898–1929)

Maharashtra . Aurangzeb to Ruhullah Khan in Kalimat-i-Aurangzib. Kalimat-i-Aurangzeb, quoted in Sarkar, Jadu Nath, History of Aurangzeb,Volume III, Calcutta, 1972 Impression. p. 188-89 quoted in Shourie, Arun (2014). Eminent historians: Their technology, their line, their fraud. Noida, Uttar Pradesh, India : HarperCollins Publishers. https://archive.org/details/in.ernet.dli.2015.62677/page/n299
Quotes from late medieval histories
The roots of scientific integrity, Editorial in Science (29 March 1963) 139: 1257 [DOI: 10.1126/science.139.3561.1257]

2000s, 2002, State of the Union address (January 2002)

The Present Age 1846 by Søren Kierkegaard, translated by Alexander Dru 1962, p. 65-66
1840s, Two Ages: A Literary Review (1846)

MS 3227a

Women and Madness (N.Y.: Palgrave Macmillan, rev'd & updated ed., 1st ed., 2005, ISBN 1-4039-6897-7, pp. 337–338 (emphases in original), and Women and Madness (Garden City, N.Y.: Doubleday, 1972, ISBN 0-385-02671-4, p. 287 (emphases in original).
Women and Madness (1972, 2005)

Quote reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 364

1970s, Second Inaugural Address (1973)

Go Rin No Sho (1645), The Fire Book
“It's actually in simplifying life that you get the greatest strength.”
Source: Life, the Truth, and Being Free (2010), p. 159
(from To Walk a Lifetime in Michael Jackson’s Moccasins).
From Articles, Essays, and Poems, On Michael Jackson

Source: The Life of St. Teresa of Jesus (c.1565), Ch. XXV. "Divine Locutions. Discussions on That Subject" ¶ 24

Source: Resist Not Evil (1904), p. 39

The New Day: Campaign Speeches of Herbert Hoover (1928)

Speech at the National Press Club (2004)

1820s, Signs of the Times (1829)

Source: What is the What: The Autobiography of Valentino Achak Deng (2006), Ch. 26, pp. 474-475
Commenting, respectively, on Jessica Lange's participation in Postman Always Rings Twice, on her decision to purchase land in Minnesota, on the absolute priority placed on parenting throughout the intense Frances shoot, and on the beginning of Lange's relationship with Sam Shepard; as heard in "Jessica Lange: On Her Own Terms," https://www.youtube.com/watch?v=6KvxVFiDVls on A&E's Biography; broadcast November 26, 2001

Journalists in the age of Trump: Lose the smugness, keep the mission. (November 29, 2016)

Reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 324.

“I know you have a little life in you yet.
I know you have a lot of strength left.”
Song lyrics, The Sensual World (1989)

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 197.

Opening address to the Education Summit, Suva, 31 August 2005

From Hayley's Twitter. September 10, 2010. http://twitter.com/#!/yelyahwilliams/status/24055172040

“Attempt nothing above thy strength!”
The Sayings of the Wise (1555)

Source: How to Pay for the War (1940), Ch. 1 : The Character of the Problem

1850
1850s, The Journals of Søren Kierkegaard, 1850s

Source: An Essay on Aristocratic Radicalism (1889), p. 21

"Mr Macmillan sets out", The Times, 8 January 1958, p. 8
Statement to the press at Heathrow Airport, 7 January 1958. Macmillan was refusing to postpone a Commonwealth tour despite the resignation of the entire Treasury team of ministers.
1920s-1950s

“The weapon of the Republic is terror, and virtue is its strength.”
Act I.
Dantons Tod (Danton's Death) (1835)

"Socialism is a Science" http://www.korea-dpr.com/lib/106.pdf, article in Rodong Sinmun (1 November 1994)

My Twenty-One Years in the Fiji Islands (English translation by J.D. Kelly & U.K. Singh, Fiji Museum, 1991).

Opening address, Pacific Vision festival, Auckland, New Zealand (26 July 1999) http://www.minpac.govt.nz/resources/reference/pvdocs/opening/mara.php.

Quote of Camille Pissarro, Paris, 4 May 1883, in a letter to his son Lucien; from Camille Pissarro - Letters to His Son Lucien ed. John Rewald, with assistance of Lucien Pissarro; from the unpublished French letters; transl. Lionel Abel; Pantheon Books Inc. New York, second edition, 1943, pp. 29-30
his comment after having seen his own painting-show at Durand-Ruel 's gallery in Paris, May 1883
1880's

Kiedy spójrzę w kometę z całą mocą duszy,
Dopóki na nią patrzę, z miejsca się nie ruszy.
Part three, scene two ("The Great Improvisation"). Translated by Louise Varese.
Dziady (Forefathers' Eve) http://www.ap.krakow.pl/nkja/literature/polpoet/mic_fore.htm
Source: The Death of Economics (1994), Chapter 10, Economics Revisited, p. 206

"The War of Caros"
The Poems of Ossian

Book VI, line 506, p. 94
The Iliads of Homer, Prince of Poets (1611)

Speech to Conservative Party Conference (11 October 1985) http://www.margaretthatcher.org/document/106145
Second term as Prime Minister

Associated Press (December 16, 1999) "Christopher Walken Prefers His Ozzie Nelson Side", The Press of Atlantic City, p. B3.

1960s, State of the Union Address (1966)
A Renegade Psychiatrist's Story

Source: The Crisis of the Modern World (1927), pp. 97-98

"Hymn" (1935), trans. by Czesŀaw Miŀosz
Three Winters (1936)

In a letter to Cardinal Farnese in Rome, from Venice 24th December 1547; after the original in Rochini's 'Belazione' u.s. pp. 9-10; as quoted in Titian: his life and times - With some account of his family... Vol. 2., J. A. Crowe & G.B. Cavalcaselle, Publisher London, John Murray, 1877, pp. 164-165
Titian had to chose between Pope & Emperor when they were on the worst of terms; he decided to obey the Emperor Charles V who ordered Titian to come to his court at Augsburg, Germany
1541-1576

No. 15 ("Eight O'Clock").
Last Poems http://www.gutenberg.org/dirs/etext05/8lspm10.txt (1922)

“They know, in that changing room, that the strength is that changing room.”
30-Jun-2005, Radio Derby
Answers on a postcard please.

until victory, until victory, until Jerusalem
"'I greet you in the name of thousands of Britons'", The Times, January 20, 1994, citing BBC monitoring service at 9 PM on January 19 as its source.
Speech to Saddam Hussein, January 19, 1994.
Source: See also David Morley Gorgeous George: The Life and Adventures of George Galloway, London: Politicos, 2007, p. 210-11. Galloway disputes the reporting of this quote and has repeatedly stated that the conclusion was a salute to "the Iraqi people" rather than Saddam Hussein personally.

Interview with Spa.com http://www.spabusiness.com/TP_counter.cfm?sitecode=SB&linktype=story&codeID=31102&viewtype=online

“Enough work to do, and strength enough to do the work.”
A Doctor's Work, an address at Middlesex Hospital (October 1908).
Other works

“And what’s that?” Emily said softly.
“That love is not enough. But it’s a start.”
Source: The Hidden Goddess (2011), Chapter 19, “The Ruined Woman” (p. 291)
For My Country's Freedom, Cap 16 "The Strength of a Ship"