- Joined
- May 16, 2009
- Messages
- 49
- Reaction score
- 1
"[T]here 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 we do not know we don't know.
United States Secretary of Defense, Donald Rumsfeld
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 we do not know we don't know.
United States Secretary of Defense, Donald Rumsfeld