Quote of the Week: Donald Rumsfeld
"There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. There are things we don't know we don't know."
Donald Rumsfeld, Former United States Secretary of Defense, Founder of Rumsfeld Foundation.
Source: Brainyquotes
Photo Credit: Gage Skidmore
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