“Football's a difficult business and aren't they prima donnas?”
The Queen gives her opinion to Premier League chairman Sir David Richards, as quoted in BBC News (2 January 2007) http://www.bbc.co.uk/china/learningenglish/story/2007/01/070102_quotes_of_the_year_2_jan_07.shtml
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Isabel II do Reino Unido 21
queen of the UK, Canada, Australia, and New Zealand, and he… 1926–2022Related quotes

“The problem of transmitting scientific knowledge is a very difficult business.”
Interview with the 1988 Nobel Laureate in Physics, Jack Steinberger, at the 58th Meeting of Nobel Laureates in Lindau, Germany, July 2008.

Interview, 2004 http://www.theguardian.com/football/2004/apr/04/sport.features

" Taking a Knee is Akin to Taking A Pee, http://dailycaller.com/2017/09/29/the-tribalism-of-kneelism/" The Daily Caller, September 29, 2017.
2010s, 2018

“Make it thy business to know thyself, which is the most difficult lesson in the world.”
Source: Don Quixote de la Mancha (1605–1615), Part II (1615), Book III, Ch. 42.

“It is difficult to get a hearing from busy men for even a great new truth.”
[408247, October 1927, Listerian Oration: 1927 (delivered at the annual meeting of the Canadian Medical Association, Toronto, June 18, 1927), Canadian Medical Association Journal, 17, 10 Pt 2, 1255–1263, 20316567, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC408247/] quote from p. 1261; This oration sponsored by the Lister Club of the Canadian Medical Association should not be confused with the Lister Oration sponsored by the Royal College of Surgeons of England.

Source: Novels, Lucky You (1997), Chapter 5