Can You Know Too Much? Post author:debrat29 Post published:05/26/2017 Post category:Quote of the Week Post comments:0 Comments A know-it-all is someone who doesn’t know as much as they think. You Might Also Like Less Talk, More Action. 03/02/2018 Once You Say It. 10/24/2016 What About Your Friends. 03/28/2017 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.