“REPORTS THAT say something hasn’t happened are interesting to me, because as we know, there are known unknowns; 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.”

For this brilliant remark to a press briefing Donald Rumsfeld was awarded the "Foot in Mouth" Prize by the Plain English Campaign.