Rumsfeld's "unknown unknowns" comment

You win the thread.

I have trouble believing I could make the same point Rumsfeld was trying to make without seeming equally as confusing. I’ve tried quite a few times and every time, it ends up being a jumbled word salad.

In fact, I challenge anyone in this thread to take the original quote:

And preserve the original point while making it significantly more comprehensible. I’ve tried and it’s much harder to do than it looks.