Best line of the day, so far

“The authors suggest that this overestimation occurs, in part, because people who are unskilled…suffer a dual burden: Not only do these people reach erroneous conclusions and make unfortunate choices, but their incompetence robs them of the metacognitive ability to realize it.”

Unskilled and Unaware of It: How Difficulties in Recognizing One’s Own Incompetence Lead to Inflated Self-Assessments

In other words, the less you know, the more you think you know. Or, to put it yet another way, stupid is as stupid does.