"It is always wrong to cause pain to A merely in order to increase the pleasure of B."
— Richard D. Ryder

January 1, 1970

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Activists from EnglandNon-fiction authors from EnglandPsychologists from EnglandAnimal rights activists
Original Language: English

Sources

p. 30.

https://en.wikiquote.org/wiki/Richard_D._Ryder

p. 30.