“Physiological experiment on animals is justifiable for real investigation; but not for mere damnable and detestable curiosity.”

— Charles Darwin

letter http://darwin-online.org.uk/content/frameset?itemID=F2113&viewtype=text&pageseq=7 to E. Ray Lankester, quoted in his essay "Charles Robert Darwin" in C.D. Warner, editor, Library of the World's Best Literature: Ancient and Modern (R.S. Peale & J.A. Hill, New York, 1896) volume 2, pages 4835-4393, at page 4391
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British naturalist, author of "On the origin of species, by… 1809–1882

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