a.k.a the e (credit: How failure can be a path into the unimaginable | Stuart Firestein | TEDxSanFrancisco - YouTube)
title: *The Unknown Uknown* - D. H. Rumsfeld (2002)
We know there are known unknows, that is to say, we know there are some things we do not know.
But there are also unknown unknowns -- the ones we don't know we don't know.