Summary of this thread:
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.
__________________
And when the plane got down to, 'The plane is 10 miles out,' the young man also said to the vice president, 'Do the orders still stand?' And the vice president turned and whipped his neck around and said, 'Of course the orders still stand. Have you heard anything to the contrary?' Well, at the time I didn't know what all that meant.
|