Who said “There does not exist a category of science to which one can give the name applied…”?

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Louis Pasteur. A published source records them saying or writing it.

SourceRevue Scientifique (1871)

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“There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it.”
VerifiedRevue Scientifique (1871) · evidenceScience and Scientists
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Cite this quote

For academic work, cite the original where you can: Revue Scientifique (1871).

APA

Pasteur, L. (n.d.). There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/36885-there-does-not-exist-a-category-of-science/

MLA

Pasteur, Louis. “There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it.” Famous Quotations Network, https://www.famous-quotations.com/quotes/36885-there-does-not-exist-a-category-of-science/. Accessed 24 Oct. 2026.

Chicago

Pasteur, Louis. “There does not exist a category of science to which one can give the name applied science. There are science and the applications of science, bound together as the fruit of the tree which bears it.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/36885-there-does-not-exist-a-category-of-science/.