bn:00333180n
Noun Concept
Categories: Words and phrases introduced in 2002, Epistemology, Donald Rumsfeld, Political quotes, Articles with short description
EN
There are known knowns  There are unknown unknowns  Known known  known knowns  Known unknown  Unimaginatively
EN
"There are unknown unknowns" is a phrase from a response United States Secretary of Defense Donald Rumsfeld gave to a question at a U.S. Department of Defense news briefing on February 12, 2002, about the lack of evidence linking the government of Iraq with the supply of weapons of mass destruction to terrorist groups. Wikipedia
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EN
"There are unknown unknowns" is a phrase from a response United States Secretary of Defense Donald Rumsfeld gave to a question at a U.S. Department of Defense news briefing on February 12, 2002, about the lack of evidence linking the government of Iraq with the supply of weapons of mass destruction to terrorist groups. Wikipedia