“Punitive-repressive attitudes toward extramarital sex are also linked with physical violence, personal crime, and the practice of slavery.”
"Body Pleasure and the Origins of Violence" (1975)
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James W. Prescott 33
American psychologist 1930Related quotes

“I feel that the essence of spiritual practice is your attitude toward others.”
Answering the question "Your Holiness, there are many people in the West who want to combine their spiritual practice with social and political responsibility. Do you feel that these two aspects are connected?" in an interview with Catherine Ingram, Dharamsala, India (2 November 1988).
Context: I feel that the essence of spiritual practice is your attitude toward others. When you have a pure, sincere motivation, then you have right attitude toward others based on kindness, compassion, love and respect. Practice brings the clear realisation of the oneness of all human beings and the importance of others benefiting by your actions.

“Physics is like sex: sure, it may give some practical results, but that's not why we do it.”
Does not appear to be from any of his books or cited in a biography. A Google Books search shows that the oldest book citing "physics is like sex" is Scary Monsters and Bright Ideas (2000) by science broadcaster Robyn Williams. On p. 44, this book claims: "Einstein said, 'You do not really understand something unless you can explain it to your grandmother'. Richard Feynman added, 'Physics is like sex: sure, it may give some practical results, but that's not why we do it'." Given that Einstein didn't really say the former, it's likely that Feynman didn't really say the latter.
Disputed and/or attributed
Variant: Physics is like sex: sure, it may give some practical results, but that's not why we do it.

"We are Power" speech (1980)

I wouldn't judge a man by the presuppositions of his life, but only by the fruits of his life. And the fruits — the relevant fruits — are, I'd say, a sense of charity, a sense of proportion, a sense of justice. And whether the man is an atheist or a Christian, I would judge him by his fruits, and I have therefore many agnostic friends.
The Mike Wallace Interview (1958)

Source: The Manufacture of Madness: A Comparative Study of the Inquisition and the Mental Health Movement (1997), p. 167.