People who think they know everything are Posted on May 7, 2013May 7, 2008 by admin “People who think they know everything are a great annoyance to those of us who do.” — Isaac Asimov Author: Isaac Asimov Category: great Tags: great, Isaac Asimov Spread the love Related posts: Small opportunities are often the beginning of My great hope is to laugh as As usual, there is a great woman Great achievement is usually born of great