Who said “Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.”?

Verified

Martin Luther King Jr.. A published source records them saying or writing it.

SourceStrength to Love (1963)

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Cite this quote

For academic work, cite the original where you can: Strength to Love (1963).

APA

King, M. L. J. (n.d.). Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/17072-nothing-in-the-world-is-more-dangerous-than/

MLA

King, Martin Luther Jr. “Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.” Famous Quotations Network, https://www.famous-quotations.com/quotes/17072-nothing-in-the-world-is-more-dangerous-than/. Accessed 24 Oct. 2026.

Chicago

King, Martin Luther Jr. “Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/17072-nothing-in-the-world-is-more-dangerous-than/.

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