Who said “Discontent is the first necessity of progress.”?

Verified

Thomas A. Edison. A published source records them saying or writing it.

SourceThe Diary and Sundry Observations of Thomas Alva Edison (1948), p. 110

Evidence: Wikiquote · How we check

Source checked · Something wrong? Report a correction

Cite this quote

For academic work, cite the original where you can: The Diary and Sundry Observations of Thomas Alva Edison (1948), p. 110.

APA

Edison, T. A. (n.d.). Discontent is the first necessity of progress. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/3029-discontent-is-the-first-necessity-of-progress/

MLA

Edison, Thomas A. “Discontent is the first necessity of progress.” Famous Quotations Network, https://www.famous-quotations.com/quotes/3029-discontent-is-the-first-necessity-of-progress/. Accessed 24 Oct. 2026.

Chicago

Edison, Thomas A. “Discontent is the first necessity of progress.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/3029-discontent-is-the-first-necessity-of-progress/.