Who said “Nothing has such power to broaden the mind as the ability to investigate systematically…”?

Verified

Marcus Aurelius. A published source records them saying or writing it.

SourceBook III

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“Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life.”
— Marcus Aurelius
VerifiedBook III · evidencePower

Cite this quote

For academic work, cite the original where you can: Book III.

APA

Aurelius, M. (n.d.). Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/1018-nothing-has-such-power-to-broaden-the-mind/

MLA

Aurelius, Marcus. “Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life.” Famous Quotations Network, https://www.famous-quotations.com/quotes/1018-nothing-has-such-power-to-broaden-the-mind/. Accessed 24 Oct. 2026.

Chicago

Aurelius, Marcus. “Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/1018-nothing-has-such-power-to-broaden-the-mind/.

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