Lies, Damned Lies, and Medical Science
"There are known knowns - there 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
he gets stick for that but I have to say he is right
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