Thursday, September 8, 2011

Quotation of the Moment: Known & Unknown

"There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. There are things we don't know we don't know."

--Donald Rumsfeld

1 comment:

  1. He missed the unknown knowns - things that we are ignorant of, and when you are in the bubble of the White House, that gets to be quite a bit.