Not simply a lack of answers

These are Rumsfeld’s “unknown unknowns”—not simply a lack of answers, but an obliviousness to questions. The awareness of this is humbling and euphoric: how many other things are “everywhere?” What does “everywhere” even mean? At that moment one realizes that it isn’t the cool facts which wise you up, but the awareness of a yawning, limitless, impossible ignorance.

Ta-Nehisi Coates: ‘What It Means to Be a Public Intellectual’