Quote: By three methods we may learn wisdom (UNCLASSIFIED)
    Mullins, Bill AMRDEC 
    Bill.Mullins at US.ARMY.MIL
       
    Mon Nov  8 17:30:36 UTC 2010
    
    
  
Classification: UNCLASSIFIED
Caveats: NONE
> -
>
> I first heard about "unknown unknowns" around 1979.  Things we don't
even
> know we don't know because we have no idea they even exist.
> Consider mad-cow prions.
>
> JL
Good point.  Even cows which aren't mad don't know anything about
prions.
Classification: UNCLASSIFIED
Caveats: NONE
------------------------------------------------------------
The American Dialect Society - http://www.americandialect.org
    
    
More information about the Ads-l
mailing list