On Nov 18, 2005, at 8:56 AM, kate.simpson at freshfields.com wrote: > It goes something like: > > "You know what you know" > "You know what you don't know" > "You don't know what you know" > "You don't know what you don't know" > or something...? Are you thinking of Donald Rumsfeld? <http://news.bbc.co.uk/2/hi/americas/3254852.stm>