McDonald Rumsfeld

On BBC4's Profile yesterday on Donald Rumsfeld. A lucid statement from the man himself:

"There are known knowns. There are things we know that we know. There are known unknowns. That is to say, there are things that we now know we don't know. But there are also unknown unknowns. There are things that we do not know we don't know. And each year, we discover a few more of those unknown unknowns."

Speaks for itself really.