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Knowing Your Unknown Unknowns - FRANK FARRELL
There are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns — the ones we don’t know we don’t know. Donald Rumsfold Lots of people had fun at Donald Rumsfold’s expense when he made this pronouncement. As time passed, people reflected on it and thought perhaps there was more to it that initially met the eye.…Read more