Thank you, Joe.
Perhaps I should have been more explicit:
There are known knowns. These are things that we know we know. Then there are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. These are the things that we don't know we don't know.
Donald Rumsfeld.
Al.
Perhaps I should have been more explicit:
There are known knowns. These are things that we know we know. Then there are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. These are the things that we don't know we don't know.
Donald Rumsfeld.
Al.
