great minds think alike

[Otto]

quote from the article:

"Secretary Rumsfeld was unfairly ridiculed, some thought, for his
haiku-like taxonomy of the terrorist threat:"

'The message is: there are known "knowns". There are things that 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.'

http://www.guardian.co.uk/september11/story/0,,1870427,00.html

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