"The telephone book is full of facts, but it doesn't contain a single idea"
About this Quote
The intent is pedagogical and slightly scolding. Adler spent his career defending “great books” education and the disciplined habits of reading, arguing, and defining terms. In that context, the telephone book becomes a cartoon of what he feared modern schooling and mass media could drift toward: training people to retrieve and recite rather than to judge, synthesize, or ask the next question. “Idea” here doesn’t mean a clever thought; it means an organizing principle - a claim about how the world works that can be tested, debated, revised.
The subtext is anti-credential and anti-bureaucratic in a way that still feels current. Databases, standardized tests, even some strains of “fact-check” discourse can start to imply that correctness is the finish line. Adler insists it’s the starting line. Facts are necessary, but they’re morally and intellectually neutral until someone does the risky work of interpretation: choosing relevance, drawing connections, making an argument that could be wrong.
He’s also smuggling in a hierarchy: information serves wisdom, not the other way around. The sting is that a society can become perfectly informed and still be conceptually bankrupt.
Quote Details
| Topic | Knowledge |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Adler, Mortimer. (2026, January 18). The telephone book is full of facts, but it doesn't contain a single idea. FixQuotes. https://fixquotes.com/quotes/the-telephone-book-is-full-of-facts-but-it-doesnt-17714/
Chicago Style
Adler, Mortimer. "The telephone book is full of facts, but it doesn't contain a single idea." FixQuotes. January 18, 2026. https://fixquotes.com/quotes/the-telephone-book-is-full-of-facts-but-it-doesnt-17714/.
MLA Style (9th ed.)
"The telephone book is full of facts, but it doesn't contain a single idea." FixQuotes, 18 Jan. 2026, https://fixquotes.com/quotes/the-telephone-book-is-full-of-facts-but-it-doesnt-17714/. Accessed 7 Feb. 2026.









