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Science & Tech Quote by Richard P. Feynman

"For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled"

About this Quote

A barb disguised as a lab note, Feynman’s line is really an indictment of the modern temptation to treat physics like a messaging problem. “Successful technology” sounds managerial, almost corporate; then he yanks the floor out with “reality must take precedence over public relations.” The phrasing is blunt on purpose. It’s not “should,” it’s “must,” and the reason isn’t moral virtue or professional pride. It’s enforcement. Nature is the auditor you can’t charm.

The subtext is Feynman’s lifelong hostility to self-deception, especially the kind that gets institutional cover. Public relations here isn’t just press releases; it’s internal storytelling, the way organizations smooth over anomalies, massage test results, or let confidence outrun evidence. The punchline, “Nature cannot be fooled,” lands because it’s quietly humiliating: humans can be misled, investors can be reassured, committees can be convinced. The universe remains unmoved. Gravity doesn’t care about your timeline.

Context matters: Feynman wrote and spoke often about scientific integrity, and this quote is strongly associated with his critique of the Challenger disaster investigation, where bureaucratic optimism and political pressure collided with engineering reality. He isn’t arguing for pessimism. He’s arguing for a particular kind of honesty: the discipline to treat bad data as a gift, not a threat.

The line still reads like a warning label for the tech economy: hype can win attention, funding, even market share, but it can’t rewrite failure modes. Eventually, the prototype meets the world. The world always wins.

Quote Details

TopicTechnology
Source
Verified source: Rogers Commission Report, Vol. 2, Appendix F (Feynman) (Richard P. Feynman, 1986)
Text match: 100.00%   Provider: Cross-Reference
Evidence:
For a successful technology, reality must take precedence over public relations, for nature cannot be fooled. (Volume 2, Appendix F (“Personal Observations on Reliability of Shuttle”), Conclusions [F5]). This is a primary-source publication of Feynman’s text as Appendix F to the Report of the Presidential Commission on the Space Shuttle Challenger Accident (the “Rogers Commission” report). NASA’s page labels it “Volume 2: Appendix F - Personal Observations on Reliability of Shuttle” and presents the quote as the concluding sentence in the Conclusions section ([F5]). The Rogers Commission report is dated June 6, 1986 in NASA’s NTRS record for Volume 1; Appendix F is part of Volume 2 of the same report package.
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Citation Formats

APA Style (7th ed.)
Feynman, Richard P. (2026, February 9). For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled. FixQuotes. https://fixquotes.com/quotes/for-a-successful-technology-reality-must-take-25391/

Chicago Style
Feynman, Richard P. "For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled." FixQuotes. February 9, 2026. https://fixquotes.com/quotes/for-a-successful-technology-reality-must-take-25391/.

MLA Style (9th ed.)
"For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled." FixQuotes, 9 Feb. 2026, https://fixquotes.com/quotes/for-a-successful-technology-reality-must-take-25391/. Accessed 9 Feb. 2026.

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About the Author

Richard P. Feynman

Richard P. Feynman (May 11, 1918 - February 15, 1988) was a Physicist from USA.

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