"The trouble with people is not that they don't know but that they know so much that ain't so"
About this Quote
The phrasing does a lot of work. “Know so much” mimics the self-satisfied cadence of the know-it-all, then Billings undercuts it with the colloquial “ain’t so,” a folksy hammer that makes the correction feel both commonsense and unavoidable. It’s anti-pretension disguised as a friendly proverb, which is exactly how 19th-century American humor often smuggled critique into polite company.
Context matters: Billings wrote in a period of booming newspapers, patent-medicine hype, revivalist fervor, and political snake oil - an early mass-information ecosystem where persuasion routinely outran verification. His target isn’t simply error; it’s the social machinery that rewards error delivered with swagger. Read now, it scans like a pre-internet diagnosis of misinformation: the most damaging beliefs aren’t missing data, but bad data that feels like wisdom. Billings’ joke keeps working because it flatters no one, least of all the listener.
Quote Details
| Topic | Wisdom |
|---|---|
| Source | Josh Billings (Henry Wheeler Shaw) , aphorism often cited as: "The trouble with people is not that they don't know but that they know so much that ain't so." Source: Wikiquote entry for Josh Billings. |
| Cite |
Citation Formats
APA Style (7th ed.)
Billings, Josh. (2026, January 15). The trouble with people is not that they don't know but that they know so much that ain't so. FixQuotes. https://fixquotes.com/quotes/the-trouble-with-people-is-not-that-they-dont-90962/
Chicago Style
Billings, Josh. "The trouble with people is not that they don't know but that they know so much that ain't so." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/the-trouble-with-people-is-not-that-they-dont-90962/.
MLA Style (9th ed.)
"The trouble with people is not that they don't know but that they know so much that ain't so." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/the-trouble-with-people-is-not-that-they-dont-90962/. Accessed 16 Feb. 2026.










