"[T]here 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 Rumsfeld, former Secretary of Defense )
Tuesday, June 28, 2011
Rumsfeld, a poor man's Plato
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