Who said “Nothing mattered except states of mind, chiefly our own.”?

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John Maynard Keynes. A published source records them saying or writing it.

SourceOn the Cambridge Apostles of Cambridge University, in Essays in Biography (1933) Ch. 39; also later used in My Early Beliefs, a memoir he read to the Bloomsbury Group's Memoir Club in 1943.

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“Nothing mattered except states of mind, chiefly our own.”
— John Maynard Keynes
VerifiedOn the Cambridge Apostles of Cambridge University, in Essays in Biography (1933) Ch. 39; also later used in My Early Beliefs, a memoir he read to the Bloomsbury Group's Memoir Club in 1943. · evidenceIntelligence and Intellectuals

Cite this quote

For academic work, cite the original where you can: On the Cambridge Apostles of Cambridge University, in Essays in Biography (1933) Ch. 39; also later used in My Early Beliefs, a memoir he read to the Bloomsbury Group's Memoir Club in 1943..

APA

Keynes, J. M. (n.d.). Nothing mattered except states of mind, chiefly our own. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/23315-nothing-mattered-except-states-of-mind-chiefly-our/

MLA

Keynes, John Maynard. “Nothing mattered except states of mind, chiefly our own.” Famous Quotations Network, https://www.famous-quotations.com/quotes/23315-nothing-mattered-except-states-of-mind-chiefly-our/. Accessed 24 Oct. 2026.

Chicago

Keynes, John Maynard. “Nothing mattered except states of mind, chiefly our own.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/23315-nothing-mattered-except-states-of-mind-chiefly-our/.

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