TED ''On being wrong''

-we're stuck in a feeling of being right > error blindness 
-"getting sth wrong mean that sth is wrong with us''
-feeling/belief of being on a right side can lead to very dangerous things ex: surgeon, wrong leg
-stages : 1. show info and wait for agreement 
              2. idiots 
              3. evil 
-look out and say "wow, maybe i'm wrong?"