“There are things that we know, and there are things that we don't know. Then there are the things that we don't even know that we don't know. Those are the things that are the hardest.”
Quote by Donald Rumsfeld
Author
Donald Rumsfeld
Donald Rumsfeld is a prominent American politician who served as the United States Secretary of Defense twice. Born on July 9, 1932, Rumsfeld has extensive experience in political and military affairs, leading key national security and defense policies. more
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