You are currently browsing the category archive for the ‘Decisions’ category.
There 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.
— Rumsfeld D. (2002) Press Briefing