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 Good Thoughts. 09/27/2016 If You Know You’re Right 01/14/2018 Seeing Is Believing. 11/01/2017 Leave a Reply Cancel replyYou must be logged in to post a comment.