Quote of the Day- The Poetry of D. H. Rumsfeld
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 is also unknown unknowns,
The ones we don't know we don't know.

-Donald Rumsfeld, Feb 12, 2002, Dept. of Defense news briefing