“An ignorant mind is precisely not a spotless, empty vessel, but one that’s filled with the clutter of irrelevant or misleading life experiences, theories, facts, intuitions, strategies, algorithms, heuristics, metaphors, and hunches that regrettably have the look and feel of useful and accurate knowledge.” 

 AND . . . “Because it’s so easy to judge the idiocy of others, it may be sorely tempting to think this doesn’t apply to you. But the problem of unrecognized ignorance is one that visits us all.”