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Daily Inspiration Quote by Hermann Weyl

"You can not apply mathematics as long as words still becloud reality"

About this Quote

Weyl isn’t taking a swipe at language so much as at the kind of language that pretends to be clarity. “Becloud” is doing the heavy lifting: words aren’t merely imperfect labels; they can actively fog the thing you’re trying to see. For a mathematician who spent his life toggling between rigorous formalism and philosophical reflection, the line lands as both warning and manifesto. Mathematics doesn’t float above reality; it’s a tool you can only wield once you’ve stopped smuggling in assumptions under the cover of rhetoric.

The intent is surgical: before you formalize, you have to decontaminate. In science, philosophy, even politics, a dispute often survives because the vocabulary is roomy enough for everyone to claim victory. Weyl is saying that you can’t responsibly “apply mathematics” to a muddled question, because the act of quantifying will fossilize the muddle into equations that look authoritative. Bad definitions don’t stay bad; they become machine-readable.

The subtext is a critique of premature mathematization: the temptation to treat precision as a vibe rather than a discipline. It’s also a jab at metaphysical word-games that masquerade as insight. Coming from a figure associated with early 20th-century debates about the foundations of math and physics, it echoes a moment when scientists were discovering that the world could be modeled with astonishing power - and that the models depended, precariously, on how you framed the problem in language. Weyl’s line is the gatekeeping step everyone wants to skip: name your terms, scrape off the fog, then calculate.

Quote Details

TopicReason & Logic
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Citation Formats

APA Style (7th ed.)
Weyl, Hermann. (2026, January 15). You can not apply mathematics as long as words still becloud reality. FixQuotes. https://fixquotes.com/quotes/you-can-not-apply-mathematics-as-long-as-words-169435/

Chicago Style
Weyl, Hermann. "You can not apply mathematics as long as words still becloud reality." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/you-can-not-apply-mathematics-as-long-as-words-169435/.

MLA Style (9th ed.)
"You can not apply mathematics as long as words still becloud reality." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/you-can-not-apply-mathematics-as-long-as-words-169435/. Accessed 12 Feb. 2026.

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About the Author

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Hermann Weyl (November 9, 1885 - December 8, 1955) was a Mathematician from Germany.

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