“It appears that the beneficial effects of infant physical affection can be negated by the repression of physical pleasure (premarital sex) later in life.”
"Body Pleasure and the Origins of Violence" (1975)
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James W. Prescott 33
American psychologist 1930Related quotes
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"Body Pleasure and the Origins of Violence" (1975)

From a letter to Hermann Huth, Vice-President of the German Vegetarian Federation, 27 December 1930. Supposedly published in German magazine Vegetarische Warte, which existed from 1882 to 1935. Einstein Archive 46-756. Quoted in The Ultimate Quotable Einstein by Alice Calaprice (2011), [//books.google.it/books?id=G_iziBAPXtEC&pg=PA453 p. 453].
1930s
Context: Besides agreeing with the aims of vegetarianism for aesthetic and moral reasons, it is my view that a vegetarian manner of living by its purely physical effect on the human temperament would most beneficially influence the lot of mankind.

“If premarital sex is a sin, who is the victim?”
Attribution to Sam Harris in A. Alexander, Fly Fishing for Sharks (2008), p. 91.
2000s

in [Quantum Optics for Engineers, CRC, New York, 2013, 978-1439888537, F. J. Duarte]

“Physics is to mathematics what sex is to masturbation.”
quoted in Lawrence M. Krauss, Fear of Physics: A Guide for the Perplexed (1993), p. 27

From a letter to Hermann Huth, Vice-President of the German Vegetarian Federation, 27 December 1930. Supposedly published in German magazine Vegetarische Warte, which existed from 1882 to 1935. Einstein Archive 46-756. Quoted in The Ultimate Quotable Einstein by Alice Calaprice (2011), [//books.google.it/books?id=G_iziBAPXtEC&pg=PA453 p. 453]. ISBN 978-0-691-13817-6
1930s