For many persons, it is doubtless the case that the more they know, 
the less they think. The greater truth, however, is the more they 
believe they know, the less they will think. The more certain leaders 
and their followers are of what they know, the less the lives of all 
citizens are thoughtfully governed.

http://www.miller-mccune.com/culture/thinking-vs-knowing-when-facts-get-in-the-way-40463/

www.peoplewho.org