Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 306.
Quotes about age
page 30

Source: The Credibility of Christianity Vindicated, p. 20; As quoted in " Book review http://books.google.nl/books?id=52tAAQAAMAAJ&pg=PA261," in The British Critic, Volume 12 (1798). F. and C. Rivington. p. 261-262
“To silver may age never turn your hair!
And may I ever keep the looks of youth!”
Source: Chinh phụ ngâm, Lines 363–364

p 14
Simon Stevin: Science in the Netherlands around 1600, 1970

“I can tell a woman's age in half a minute — and I do!”
Princess Ida (1884)

Francis Escudero Twitter feed: @SayChiz (6:02 p.m. 2015 September 22).
2015, Twitter Feed

"Jayde Nicole, Miss 2008, Interview", in RunwayLive.com (20 August 2011) https://www.runwaylive.com/3306-jayde-nicole-miss-2008-interview.html.

“Age imprints more wrinkles in the mind than it does on the face.”
Book III, Ch. 2
Attributed
1995 and later, interview in Kirkeby’s home studio, Copenhagen (2012)

“Laughter is timeless, imagination has no age, and dreams are forever.”
Misattributed
“"I underestimated you, woman."… "The cry of men down the ages."”
Source: Drenai series, The King Beyond the Gate, Ch. 15

Venom and Eternity (1951), Chapter II

This is a reference to a quote of Rudyard Kipling, "Power without responsibility — the prerogative of the harlot throughout the ages," which became widely known after being quoted by prime minister Stanley Baldwin in a speech of 1931-03-17.
Source: Lord Malquist and Mr Moon (1966), Ch. 6: An Honourable Death

Speech to the Economic Students' Union at the School of Economics and Political Science, London (14 December 1900), quoted in The Times (17 December 1900), p. 13.
1900s

“My main theme is the extension of the nervous system in the electric age”
Letter to Robert Fulford, 1964. Letters of Marshall McLuhan (1987), p. 300
1960s
Context: My main theme is the extension of the nervous system in the electric age, and thus, the complete break with five thousand years of mechanical technology. This I state over and over again. I do not say whether it is a good or bad thing. To do so would be meaningless and arrogant.

Introduction
1830s, Nature http://www.emersoncentral.com/nature.htm (1836)

“Writing is all a lottery -- I have been a loser by the works of the greatest men of the age.”
The Expedition of Humphry Clinker (1771).

[Guha, Ramachandra, A SALUTE TO THE COFFEE HOUSE, http://ramachandraguha.in/archives/a-salute-to-the-coffee-house.html, The Telegraph, 29th September 2007]

Source: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 413
Introduction: The Misjudgment of Paris
The Burden of Responsibility: Blum, Camus, Aron, and the French Twentieth Century (1998)

Source: 1960s, The Gutenberg Galaxy (1962), p. 72

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

“In an age of multiple and massive innovations, obsolescence becomes the major obsession.”
"Innovation is obsolete", Evergreen review, Volume 15, Issues 86-94, Grove Press, 1971, p. 64
1970s

What the Future Holds (1984)

“My hero is Nobel Laureate Neville Mott who published four papers at the age of 92 when he died.”
After his getting the August-Wilhelm-von-Hofmann Medal for chemistry quoted in Need young scientists to lead: C N R Rao, 11 January 2011, 22 December 2013, Nature Publishing Group http://www.nature.com/nindia/2010/100111/full/nindia.2009.365.html,

President Saddam Hussein's Speech on National Day (1981)

1850s, Latter-Day Pamphlets (1850), Stump Orator (May 1, 1850)
Muhammad bin Qãsim (AD 712-715)Debal (Sindh)
Tãrîkh-i-Firishta

In the second half of your life you realise how like every other hump who drew breath you really are. Except you’re MORE boring.
On young people.
What It Is (2009)
From "Jim Thompson, 1906 - 1977," in The Los Angeles Times (May 1, 1977), p. X3
Other Topics
Karma yoga
Source: The Teachings of Babaji, 21 March 1983

In "Richard Burton, 58, is Dead; Rakish Stage and Screen Star"
Reported by Mike Jones, " Haggard Admits Buying Meth: Evangelical Leader Denies Accusation of Paying Former Gay Prostitute for Sex http://abcnews.go.com/GMA/story?id=2626067&page=2", ABC News, accessed November 6, 2006.
Attributed

1990s, The Monarchy: A Critique of Britain's Favourite Fetish

William Hazlitt Lectures on the English Poets (Philadelphia: Thomas Dobson, 1818) p. 243.
Criticism

“Colleges are like old-age homes; except for the fact that more people die in colleges.”
Playboy Interview (February 1966)

Concepts

"A Library That Would Rather Block Than Offend" http://www.nytimes.com/library/cyber/week/011897library-florida.html by Pamela Mendels, The New York Times (January 18, 1997)
Book One, Ch. 3.
Boy's Life (1991)

1820s, Signs of the Times (1829)
Page 23
The Life of Lewis Carroll (1962)

Quote from Cézanne's letter to Émile Bernard, 23 December 1904; as quoted in Letters of the great artists – from Blake to Pollock, Richard Friedenthal, Thames and Hudson, London, 1963, p. 184
Quotes of Paul Cezanne, after 1900

Minus 24x http://www.monochrom.at/minus24x/index-eng.htm, 2001
Source: The Managerial Revolution, 1941, p. 29, as cited in: Albert Lepawsky (1949), Administration, p. 13
The Social History of Art, Volume I. From Prehistoric Times to the Middle Ages, 1999, Chapter II. Ancient Oriental Urban cultures

Interviewed by Chuck Todd of NBC News on Meet the Press on 18 February 2018 after the Stoneman Douglas High School shooting ([Meet the Press - 18 February 2018, 18 February 2018, 1 September 2018, https://www.nbcnews.com/meet-the-press/meet-press-february-18-2018-n849191, NBC News, Meet the Press]).
2010s, 2018

Interview by Osmo Kiiha; quoted in Clarence Bass, Challenge Yourself: Leanness, Fitness & Health at Any Age https://books.google.it/books?id=FSfwAAAAMAAJ (C. Bass' Ripped Enterprises, 1999), p. 202.

In an interview in Rolling Stones Magazine, September 30, 2010, talking about his father who was killed in WWII.
Miscellaneous

2010s, The Origins of Our Second Civil War (2018)

SHANE BLACK THINKS A MONSTER SQUAD SEQUEL “COULD BE FUN” https://www.ign.com/articles/2016/08/15/shane-black-thinks-a-monster-squad-sequel-acould-be-funa (August 15 2016)

Speech at the Church of the Puritans, New York City (May 1863)
1860s

“Just at the age 'twixt boy and youth,
When thought is speech, and speech is truth.”
Canto II, introduction.
Marmion (1808)
Introduction
The Portable Matthew Arnold (Viking Press, 1949)
Source: Eifelheim (2006), Chapter 5 (p. 234)
Source: The Bourgeois: Catholicism vs. Capitalism in Eighteenth-Century France (1927), p. 177
Source: Ideas have Consequences (1948), pp. 73-74.

Conversation with the living legend of law - Fali Sam Nariman

Founding Address (1876)
These disciplines of inverse ascetism, one sees, mean shooting smack until you drop dead.
Page 195
Culture of Complaint (1993)

pg 28.
Conquest of Abundance (2001 [posthumous])

Source: Eclipse of God: Studies in the Relation Between Religion and Philosophy (1952), p. 6

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

Anti-Religious Thought In The Eighteenth Century http://www.cse.dmu.ac.uk/~mward/gkc/books/anti_religious_thought.txt; first published in "An Outline of Christianity : The Story of our Civilization", Vol. IV, Christianity and Modern Thought (1926)
"The work is not the performance", Companion to Medieval & Renaissance Music. (1997). Oxford University Press. ISBN 0198165404.

On Parents and Passion.
Melodies of Brindavan: Pandit Hariprasad Chourasia

Les nouveaux amis que nous faisons après un certain âge, et par lesquels nous cherchons à remplacer ceux que nous avons perdus, sont à nos anciens amis ce que les yeux de verre, les dents postiches et les jambes de bois sont aux véritables yeux, aux dents naturelles et aux jambes de chair et d'os.
Maximes et Pensées (Van Bever, Paris :1923), #303
Reflections

Source: 1930s, The conflict between Aristotelian and Galileian modes of thought in contemporary psychology, 1931, p. 153 as cited in: Eells, T. D. (2007). " Generating and generalizing knowledge about psychotherapy from pragmatic case studies http://www2.scc.rutgers.edu/journals/index.php/pcsp/article/viewFile/893/2263". In: Pragmatic Case Studies in Psychotherapy, Vol 3, Nr. 1, p. 35-54.
Chappel on cricketer Arjun Nair, The Sydney Morning Herald (January 30, 2016), "Arjun Nair is a name to remember, says Cricket Australia's Greg Chappell" http://www.smh.com.au/sport/cricket/arjun-nair-is-a-name-to-remember-says-cricket-australias-greg-chappell-20160129-gmhk9z.html

Variant: Women are most fascinating between the ages of 35 and 40 after they have won a few races and know how to pace themselves. Since few women ever pass 40, maximum fascination can continue indefinitely.
Source: Jill Kargman Arm Candy: A Novel http://books.google.co.in/books?id=EVg6b7fFXUEC&pg=PT99, Penguin, 13 May 2010, p. 99

As quoted in "Roberto Mitchum: After all these years, still one of a kind"
"Makedonika", Regina Books, Claremont CA
the Nayars, the Puris, the Kotharis, the Dhars, the Haksars, the Tarkundes - should be busy devising ways for handing over the Kashmir Hindus to their age-old oppressors.
Kashmir: The Problem is Muslim Extremism by Sita Ram Goel https://web.archive.org/web/20080220033606/http://www.kashmir-information.com/Miscellaneous/Goel1.html

As quoted in Modern Dancing and Dancers (1912) by John Ernest Crawford Flitch, p. 106.
Methodical Realism

“An age that melts in unperceiv'd decay,
And glides in modest innocence away.”
Source: Vanity of Human Wishes (1749), Line 293

St. 3
Memorial Verses (1852)

Journal of Discourses 7:220 (August 14, 1859).
Joseph Smith Jr.'s First Vision