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Life & Wisdom Quote by Arthur Conan Doyle

"Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth"

About this Quote

A little Victorian swagger hides inside that tidy bit of logic. Doyle’s line, spoken through Sherlock Holmes, flatters reason into a kind of moral force: reality is not a popularity contest, and the truth doesn’t care how weird it looks once you’ve ruled out the easy lies. The phrasing is courtroom-clean, almost Euclidean, but the effect is theatrical. “Eliminate the impossible” invites the reader to imagine a world where facts behave, where evidence can be sorted like laundry until the only garment left is the culprit.

The subtext is less about certainty than about authority. Holmes isn’t merely solving a puzzle; he’s staking a claim against superstition, sloppy thinking, and the era’s love of sensational explanations. Late-19th-century London was a pressure cooker of modernity: new sciences, new urban anxieties, and a booming press that turned crime into entertainment. Holmes’s method reassures. It tells a middle-class readership that the city’s chaos can be made legible if you have the right mind and the discipline to distrust first impressions.

There’s a sleight of hand, too. The line sounds like pure deduction, but in practice Holmes often relies on intuition, social knowledge, and narrative convenience. “Whatever remains” is doing a lot of work; it smuggles in the assumption that the detective has already mapped the universe of possibilities. That’s why it endures as a cultural meme: it’s not just a rule of reasoning, it’s a fantasy of control, delivered with the cool confidence of someone who gets to define what counts as “impossible” in the first place.

Quote Details

TopicReason & Logic
Source
Verified source: Conducting School-Based Functional Behavioral Assessments... (Mark W. Steege, T. Steuart Watson, 2009)ISBN: 9781606237267 · ID: 3qnvMwS7eGMC
Text match: 95.00%   Provider: Google Books
Evidence:
... Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. —Sherlock holMeS (by Sir Arthur Conan Doyle). THe. need. FoR. A. GAMe. PLAn. Conducting an FBA is quite often a complex task, involving a wide ...
Other candidates (1)
“You will not apply my precept,” he said, shaking his head. “How often have I said to you that when you have eliminat...
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Citation Formats

APA Style (7th ed.)
Doyle, Arthur Conan. (2026, February 11). Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth. FixQuotes. https://fixquotes.com/quotes/once-you-eliminate-the-impossible-whatever-12866/

Chicago Style
Doyle, Arthur Conan. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." FixQuotes. February 11, 2026. https://fixquotes.com/quotes/once-you-eliminate-the-impossible-whatever-12866/.

MLA Style (9th ed.)
"Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." FixQuotes, 11 Feb. 2026, https://fixquotes.com/quotes/once-you-eliminate-the-impossible-whatever-12866/. Accessed 12 Feb. 2026.

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About the Author

Arthur Conan Doyle

Arthur Conan Doyle (May 22, 1859 - July 7, 1930) was a Writer from United Kingdom.

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