"I don't know the rules of grammar... If you're trying to persuade people to do something, or buy something, it seems to me you should use their language, the language they use every day, the language in which they think. We try to write in the vernacular"
About this Quote
The intent is ruthlessly practical. Persuasion, in Ogilvy’s world, isn’t the art of sounding smart; it’s the craft of making an idea feel like the reader’s own thought arriving on schedule. “Use their language” is empathy with teeth: a demand that the writer surrender ego and inhabit the customer’s mental weather. The subtext is also slightly cynical. If people think in the language they “use every day,” then control the everyday language and you control the frame of choice. This is advertising’s quiet thesis: the shortest path to belief is familiarity.
Context matters: Ogilvy helped professionalize a mid-century industry that was shifting from circus-barker bombast to researched, conversational credibility. “Vernacular” becomes not a folksy flourish, but a technology of trust. He’s arguing for plainness as strategy, not purity - the kind of clarity that sells without announcing it’s selling.
Quote Details
| Topic | Marketing |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Ogilvy, David. (2026, January 17). I don't know the rules of grammar... If you're trying to persuade people to do something, or buy something, it seems to me you should use their language, the language they use every day, the language in which they think. We try to write in the vernacular. FixQuotes. https://fixquotes.com/quotes/i-dont-know-the-rules-of-grammar-if-youre-trying-30748/
Chicago Style
Ogilvy, David. "I don't know the rules of grammar... If you're trying to persuade people to do something, or buy something, it seems to me you should use their language, the language they use every day, the language in which they think. We try to write in the vernacular." FixQuotes. January 17, 2026. https://fixquotes.com/quotes/i-dont-know-the-rules-of-grammar-if-youre-trying-30748/.
MLA Style (9th ed.)
"I don't know the rules of grammar... If you're trying to persuade people to do something, or buy something, it seems to me you should use their language, the language they use every day, the language in which they think. We try to write in the vernacular." FixQuotes, 17 Jan. 2026, https://fixquotes.com/quotes/i-dont-know-the-rules-of-grammar-if-youre-trying-30748/. Accessed 21 Feb. 2026.







