"It isn't what we don't know that gives us trouble, it's what we know that ain't so"
About this Quote
Rogers was working in a period when Americans were being sold modernity at scale: mass newspapers, booming advertising, radio, political messaging dressed up as common sense. His folksy grammar ("ain't so") isn’t anti-intellectual; it’s camouflage. It lets him indict elites and everyday audiences at the same time without sounding like a lecturer. The intent is less to celebrate skepticism than to puncture the emotional comfort of certainty. People don’t cling to bad facts because they’re stupid; they cling because those facts organize their world, flatter their identity, and keep anxiety manageable.
The subtext is a warning about how easily “what we know” becomes a social performance. Belief isn’t just private cognition; it’s belonging. Admit you’re wrong and you risk losing status, tribe, narrative. That’s why false knowledge causes “trouble”: it drives choices with momentum. Ignorance can be corrected; mistaken certainty has to be unlearned, and unlearning is humiliating.
Read now, the line feels almost algorithm-proof: misinformation isn’t powerful because it’s exotic, but because it arrives dressed as what you already “knew.” Rogers makes that sting funny enough to swallow, then leaves you with the aftertaste: the real danger is confidence without curiosity.
Quote Details
| Topic | Truth |
|---|---|
| Source | Later attribution: The Heresy of Freedom (Daniel Thaxton, 2012) modern compilationISBN: 9781300271130 · ID: RKb2AwAAQBAJ
Evidence:
... Will Rogers: “It isn't what we don't know that gives us trouble, it's what we know that ain't so”. When our beliefs are accurate they allow us to better navigate our lives. Believing sickness and disease are fueled by bacteria and poor ... |
| Cite |
Citation Formats
APA Style (7th ed.)
Rogers, Will. (2026, February 11). It isn't what we don't know that gives us trouble, it's what we know that ain't so. FixQuotes. https://fixquotes.com/quotes/it-isnt-what-we-dont-know-that-gives-us-trouble-32626/
Chicago Style
Rogers, Will. "It isn't what we don't know that gives us trouble, it's what we know that ain't so." FixQuotes. February 11, 2026. https://fixquotes.com/quotes/it-isnt-what-we-dont-know-that-gives-us-trouble-32626/.
MLA Style (9th ed.)
"It isn't what we don't know that gives us trouble, it's what we know that ain't so." FixQuotes, 11 Feb. 2026, https://fixquotes.com/quotes/it-isnt-what-we-dont-know-that-gives-us-trouble-32626/. Accessed 12 Feb. 2026.










