"Learn to say 'I don't know.' If used when appropriate, it will be often"
About this Quote
The subtext is more complicated, especially given Rumsfeld’s era-defining role in selling the Iraq War and his famous taxonomy of “known knowns” and “unknown unknowns.” Read in that light, the quote doubles as preemptive insulation. “I don’t know” can be candor, but it can also be a shield: a way to acknowledge uncertainty without yielding authority, to keep control over the conversation by naming its limits. In politics, ignorance isn’t just a gap in information; it’s a bargaining chip, a way to avoid committing, to defer accountability, to wait out a news cycle.
What makes the line work is its unglamorous truth about decision-making at scale. Leadership is less about omniscience than triage: choosing what you can know, what you can’t, and how loudly you’re willing to admit the difference. In a culture that punishes uncertainty while demanding impossible foresight, “I don’t know” becomes both ethical stance and survival tactic.
Quote Details
| Topic | Honesty & Integrity |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Rumsfeld, Donald. (2026, February 16). Learn to say 'I don't know.' If used when appropriate, it will be often. FixQuotes. https://fixquotes.com/quotes/learn-to-say-i-dont-know-if-used-when-appropriate-144736/
Chicago Style
Rumsfeld, Donald. "Learn to say 'I don't know.' If used when appropriate, it will be often." FixQuotes. February 16, 2026. https://fixquotes.com/quotes/learn-to-say-i-dont-know-if-used-when-appropriate-144736/.
MLA Style (9th ed.)
"Learn to say 'I don't know.' If used when appropriate, it will be often." FixQuotes, 16 Feb. 2026, https://fixquotes.com/quotes/learn-to-say-i-dont-know-if-used-when-appropriate-144736/. Accessed 18 Feb. 2026.









