Are you open to hearing different ideas?

Dan Hannon writes in the Washington Examiner,

...Does anyone even read Milton any more? Or Locke? Or Mill? Because we seem to be turning our backs with astonishing rapidity on the central idea of the Enlightenment, namely that we don’t know everything there is to know, and that the best way to improve our understanding is to allow different ideas to be heard.

Read more here.