The optimistic sentiment is genuinely Edison’s and is documented as early as 1910, but he is not recorded saying this polished sentence. According to Quote Investigator ↗, the earliest and best version of the anecdote — from the 1910 biography Edison: His Life and Inventions, as told by his associate Walter S. Mallory — has Edison saying “I have gotten a lot of results! I know several thousand things that won’t work.” The rounded-up “10,000 ways that won’t work” wording is a later retelling, filed under “Disputed” by Wikiquote ↗.
“I have not failed. I've just found 10,000 ways that won't work” Not Edison's exact words — a later paraphrase. His documented 1910 remark was "I know several thousand things that won't work."
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? We couldn’t establish where this was first published, so there’s no rights status to give. Credit it as shown above — just don’t present it as public domain, and get permission for commercial or published reuse.
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In context
Evoking the themes of failure, resilience and success. Theme: "I have not failed. I've just found 10,000 ways that won't work". Atmospheric and restrained, cinematic directional light, a muted period-appropriate palette, fine grain and texture. Compose with generous empty space for the quote and a small credit line. No lettering in the image itself.
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Minimalist editorial slide for the quote "I have not failed. I've just found 10,000 ways that won't work". Clean background, a single muted accent color, generous negative space, subtle paper or linen texture, no literal illustration — let the words carry it. Reserve clear space for a serif quote and a small credit line. No lettering in the image itself.
Provenance
The real remark & how it drifted
Popular wording
“I have not failed. I’ve just found 10,000 ways that won’t work.”
Documented anecdote
Edison: His Life and Inventions (1910)
Authentic remark
“I know several thousand things that won’t work.”
Earliest as worded
1967 (Wikiquote “Disputed”)
He said: ‘Results! Why, man, I have gotten a lot of results! I know several thousand things that won’t work.’
The 1910 version, recounted by Edison’s associate Walter S. Mallory in Edison: His Life and Inventions, during the multi-year effort to develop a storage battery. This is the source Quote Investigator judges most reliable; note “several thousand,” not “10,000.”
The earliest attestation is the 1910 biography Edison: His Life and Inventions by Frank Lewis Dyer and Thomas Commerford Martin, quoting associate Walter S. Mallory, as documented by Quote Investigator ↗.
The count varies wildly across retellings — 700, 999, 1,000, 10,000 and 50,000 have all appeared — a classic sign of a paraphrase snowballing over time, per QI ↗.
Wikiquote ↗ places the exact “10,000 ways that won’t work” sentence in its Disputed section, citing J. L. Elkhorne, “Edison — The Fabulous Drone,” in 73 Vol. XLVI, No. 3 (March 1967).
The polished sentence “I have not failed. I’ve just found 10,000 ways that won’t work” cannot be tied to a specific documented Edison source; its earliest known appearance is a 1967 magazine retelling, and it reads as an anonymous paraphrase. Because the exact wording’s origin is unknown, we assert no copyright status. (The authentic 1910 remark, by contrast, appears in a public-domain book.)
Rights status is our research, not legal advice — and copyright varies by country and edition. For commercial or published use, confirm with the rightsholder. See terms.
Fact-check
What Edison actually said
This is not a fabrication pinned on a famous name — the sentiment is authentically Edison’s. What’s wrong is the exact wording, which is a tidied-up, inflated paraphrase of a real remark.
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The exact sentenceThomas Edison paraphrase
No primary source records Edison saying “I have not failed. I’ve just found 10,000 ways that won’t work.” Wikiquote ↗ files it under Disputed, with an earliest citation only from 1967.
✕
The numberLater retellers embellishment
The 1910 account says “several thousand,” and other versions give 700, 999, 1,000 or 50,000. The round “10,000” is one of many escalating variants, per Quote Investigator ↗.
✓The genuine 1910 remark, recounted by Edison’s associate Walter Mallory, was “I have gotten a lot of results! I know several thousand things that won’t work” — see Quote Investigator ↗.
Context
Why it stuck
Edison spent years running exhaustive trial-and-error experiments — most famously testing thousands of materials for the lamp filament and, later, for a nickel-iron storage battery. The idea that each failed test was a step forward, not a defeat, genuinely captured his method, which is why the paraphrase feels so true to him.
Because the sentiment is authentic, the neatened-up “10,000 ways” version spread through motivational books and speeches until it eclipsed the messier real quotation — a reminder that a quote can be true in spirit and still not be something the person ever actually said.
“I know several thousand things that won’t work.”
Explore
Filed under
More provenance-checked quotes on the same theme, each with its reuse status.
Thomas Alva Edison was a prolific American inventor and entrepreneur whose laboratories produced the phonograph, a commercially practical incandescent lamp, and systems of electric power distribution. He held over a thousand US patents and was famous for an iterative, trial-and-error method — the very working style that gave rise to this quote. His remark about failed experiments arose from his years-long effort to perfect a storage battery.
For writers & researchers
Cite this
Primary source
Frank Lewis Dyer and Thomas Commerford Martin, Edison: His Life and Inventions (New York: Harper & Brothers, 1910), recounting Walter S. Mallory; earliest “10,000 ways” wording in J. L. Elkhorne, “Edison — The Fabulous Drone,” 73 XLVI, no. 3 (March 1967), p. 52.
This verification page
Quotle.info. “Who really said ‘I have not failed. I've just found 10,000 ways that won't work’?” Last verified 10 Jul 2026. https://quotle.info/who-said/i-have-not-failed-ive-just-found-10-000-ways-that-wont-work/