Rumfeld has uttered some doozies but an "unknown known" is not one of
them. What he said was: "Reports that say that something hasn't
happened are always interesting to me, because as we know, 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."
But someone has suggested that "unknown knowns" should have been a
fourth category in that statement.
For a linguistic defense of Rumsfeld see this Wiki article:
<http://en.wikipedia.org/wiki/There_are_known_knowns>
From the same Wiki article this quote from Persian literature of 1286.
One who knows and knows that he knows... This is a man of knowledge; get
to know him!
One who knows, but doesn't know that he knows... This is a man who's
unaware, so bring it to his attention.
One who doesn't know, but knows that he doesn't know... This is an
illiterate man; teach him!
One who doesn't know and doesn't know that he doesn't know... This is an
ignorant man; and will be ignorant forever!
Chuck Norcutt
On 9/13/2011 2:19 PM, Chris Barker wrote:
> Is that an unknown known?
>
> :-)
>
> Chris
> On 13 Sep 2011, at 19:14, Piers Hemy wrote:
>
>> As did I, after the first para. As I hope Bob did. Maybe it's a Brit thing?
>> Or maybe Moose was doing the same??
>>
>> Piers
>>
>> -----Original Message-----
>> From: Chris Barker [mailto:.net]
>> Sent: 13 September 2011 06:29
>> To: Olympus Camera Discussion
>> Subject: Re: [OM] Messing Around with Silver Effex Pro v2
>>
>> I took it as Boris's special form of humour, Moose. He is justifying his
>> envy of Bob's prowess.
>
--
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