The one exclusive sign of thorough knowledge Posted on May 5, 2012May 5, 2007 by admin “The one exclusive sign of thorough knowledge is the power of teaching.” — Aristotle Author: Aristotle Category: teacher Tags: teacher, Aristotle Spread the love Related posts: Research is starting to show that a Faulkner turned out to be a great I love kids, so two things that All I wanted was to be a