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Science Quote by Enrico Fermi

"There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery"

About this Quote

Fermi’s line is a sly rebuke to the way people dress up certainty as science. It flatters the lab coat while quietly pulling it off: if your data matches what you expected, congratulations, you’ve done competent bookkeeping. You’ve reduced noise, tightened error bars, and confirmed that the world is still behaving like the model says it should. Useful work, but not the stuff that bends history.

The second sentence flips the emotional script. A “contrary” result isn’t framed as failure, embarrassment, or the dreaded “something went wrong.” It’s a promotion. Fermi gives dissenting data the highest status a scientist can offer: discovery. The subtext is psychological and institutional. Labs, committees, and careers reward predictions that land; Fermi reminds you that the real prize often shows up as a headache, an anomaly that threatens your beautiful hypothesis and forces you to choose between protecting your story and following the evidence.

Context matters: Fermi lived in an era when physics was repeatedly upended by experimental surprises and theoretical crises, from quantum mechanics to nuclear fission, and he helped engineer some of those upheavals. His pragmatism shows. The quote isn’t romantic about “mystery”; it’s a work ethic for dealing with reality’s refusal to cooperate. Measure when you can, celebrate when you can’t. The punchline is that science advances not by being right, but by being corrigible - building systems where the most valuable outcome is learning you were wrong.

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TopicScience
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Citation Formats

APA Style (7th ed.)
Fermi, Enrico. (2026, January 16). There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery. FixQuotes. https://fixquotes.com/quotes/there-are-two-possible-outcomes-if-the-result-121786/

Chicago Style
Fermi, Enrico. "There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/there-are-two-possible-outcomes-if-the-result-121786/.

MLA Style (9th ed.)
"There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/there-are-two-possible-outcomes-if-the-result-121786/. Accessed 13 Feb. 2026.

More Quotes by Enrico Add to List
If Outcome Confirms Hypothesis, Youve Measured; If Not, Youve Discovered
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About the Author

Enrico Fermi

Enrico Fermi (September 29, 1901 - November 28, 1954) was a Physicist from Italy.

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