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Science Quote by Niels Bohr

"The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth"

About this Quote

Bohr isn’t playing a word game; he’s drawing a boundary line around a kind of thinking modern life constantly mistakes for weakness: the ability to hold incompatible ideas without flattening them into “right” and “wrong.” A fact has an obvious enemy. If the thermometer reads 20 degrees and you insist it’s 80, you’re not being nuanced; you’re incorrect. But a “profound truth” lives at a different altitude. It’s often a hard-won insight about messy systems where perspective, scale, and framing change what’s visible.

The subtext is pure Bohr: physics as a lesson in intellectual humility. In quantum mechanics, his complementarity principle argues that light can be described as a wave or a particle depending on how you measure it. Those descriptions clash if you treat them as simple facts about a single object, yet each is indispensable. Bohr’s line repurposes that scientific headache into a philosophical warning: when reality is layered, insisting on one totalizing account can be its own kind of falsehood.

The intent, then, is not relativism. He’s not saying “anything goes.” He’s offering a discipline: distinguish between statements that can be decisively tested and statements that map a complex world from partial angles. In culture and politics, this lands like a rebuke to debate-as-scorekeeping. Two people can be holding “profound truths” that contradict because each has captured a different slice of a system too big for a single slogan. Bohr’s elegance is that he makes contradiction sound less like failure than like evidence you’re finally asking the hard questions.

Quote Details

TopicTruth
Source
Later attribution: The Squirt! the Stringed Quantum Universal Integrated Rel... (Mark N. Heinly M.D., 2023) modern compilationISBN: 9798765236055 · ID: lby7EAAAQBAJ
Text match: 95.95%   Provider: Google Books
Evidence:
... Niels Bohr, said, “The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.” For instance, without humility, our assertiveness can be misguided. If we lack stillness, our ...
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APA Style (7th ed.)
Bohr, Niels. (2026, February 11). The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth. FixQuotes. https://fixquotes.com/quotes/the-opposite-of-a-fact-is-falsehood-but-the-25387/

Chicago Style
Bohr, Niels. "The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth." FixQuotes. February 11, 2026. https://fixquotes.com/quotes/the-opposite-of-a-fact-is-falsehood-but-the-25387/.

MLA Style (9th ed.)
"The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth." FixQuotes, 11 Feb. 2026, https://fixquotes.com/quotes/the-opposite-of-a-fact-is-falsehood-but-the-25387/. Accessed 12 Feb. 2026.

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About the Author

Niels Bohr

Niels Bohr (October 7, 1885 - November 18, 1962) was a Physicist from Denmark.

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