Who said “He mastered whatever was not worth the knowing.”?

APA

Lowell, J. R. (n.d.). He mastered whatever was not worth the knowing. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/19115-he-mastered-whatever-was-not-worth-the-knowing/

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MLA

Lowell, James Russell. “He mastered whatever was not worth the knowing.” Famous Quotations Network, https://www.famous-quotations.com/quotes/19115-he-mastered-whatever-was-not-worth-the-knowing/. Accessed 24 Oct. 2026.

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Chicago

Lowell, James Russell. “He mastered whatever was not worth the knowing.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/19115-he-mastered-whatever-was-not-worth-the-knowing/.

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