"Being convinced one knows the whole story is the surest way to fail"
About this Quote
The phrasing does a lot of work. "Being convinced" points to psychology, not data. It's about the internal lock clicking into place, the moment curiosity becomes a nuisance. "The whole story" is the especially damning claim: it implies a total map of a system that is, by definition, messier than any map. Crosby is targeting the managerial habit of reducing complexity into a satisfying explanation, then treating that explanation as reality. When you believe you have the full picture, you stop measuring, stop listening, stop auditing the assumptions that made the picture feel complete.
The subtext is almost moral: humility isn't a personality trait here; it's an operational discipline. Quality systems, continuous improvement, and even basic risk management depend on the admission that you are missing something. Crosby's intent is to reframe doubt as competence. The surest way to fail isn't making the wrong call; it's making calls in a sealed room, convinced there's nothing left outside the door.
Quote Details
| Topic | Decision-Making |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Crosby, Phil. (2026, January 16). Being convinced one knows the whole story is the surest way to fail. FixQuotes. https://fixquotes.com/quotes/being-convinced-one-knows-the-whole-story-is-the-115423/
Chicago Style
Crosby, Phil. "Being convinced one knows the whole story is the surest way to fail." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/being-convinced-one-knows-the-whole-story-is-the-115423/.
MLA Style (9th ed.)
"Being convinced one knows the whole story is the surest way to fail." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/being-convinced-one-knows-the-whole-story-is-the-115423/. Accessed 21 Feb. 2026.










