The Enemy of Worship
  Just reading the late Derek Prince's book "Entering the Presence of God".   There's a passage in there regarding worship which says thus:    ...the great enemy of worship is self-centeredness. As long as we are wrapped up in ourselves and our own problems and the things that are going on all around us, we are not in a position to worship God.  Sometimes you just need to read things to have them come up and smack you in the face, and for a very good reason.   Derek's book is proving to be an excellent read.