“The secret of a long life is to never trust a doctor.”
Spartacus Schoolnet biography http://www.spartacus.schoolnet.co.uk/USArainer.htm
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Luise Rainer11
German-born Austrian and American film actress 1910–2014Related quotes
“You know, like they say: never trust a thin chef, or a doctor with leprosy.”
John Cooper Clarke (1951) English performance poet
Source: I Wanna Be Yours (2020), p. 99.
Robert Gascoyne-Cecil, 3rd Marquess of Salisbury (1830–1903) British politician
Letter to Robert Bulwer-Lytton, 1st Earl of Lytton (15 June 1877), as quoted in The Oxford Dictionary of Quotations (1999) Elizabeth M. Knowles, p. 642; this has also been published without the word "insipid".
1870s
Context: No lesson seems to be so deeply inculcated by the experience of life as that you should never trust experts. If you believe doctors, nothing is wholesome: if you believe the theologians, nothing is innocent: if you believe the soldiers, nothing is safe. They all require their strong wine diluted by a very large admixture of insipid common sense.
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Frank Buckles (1901–2011) United States Army soldier and centenarian
New York Times
Gail Collins, Op-Ed
August 14, 2009.

“Self-trust is the first secret of success.”
Ralph Waldo Emerson (1803–1882) American philosopher, essayist, and poet
Arthur C. Clarke book The Fountains of Paradise
Source: The Fountains of Paradise (1979), Chapter 2 “The Engineer” (p. 10)
John O'Donohue (1956–2008) Irish writer, priest and philosopher
Source: Anam Cara: A Book of Celtic Wisdom
“The truth of life is that, even the doctor needs a doctor.”
Mwanandeke Kindembo (1996) Congolese author
“Never trust them, never trust them. They can't be trusted.”
Elizabeth Bowes-Lyon (1900–2002) Queen consort of King George VI, mother of Queen Elizabeth II
On the Germans, to Woodrow Wyatt (16 November 1991), as quoted in The Journals of Woodrow Wyatt: Volume Two (2000) by Woodrow Wyatt, p. 608
“Never lose heart while pursuing the path of trust. Live a principled life.”
Basava (1134–1196) a 12th-century Hindu philosopher, statesman, Kannada Bhakti poet of Lingayatism
Basavanna's Preachings