David teaches his lesson from March 17's youth ministry event WOW (Wednesday's of Worship).  The main question is  this:  Do you think you are going to heaven?  Come and learn what Catholics say and how that is the normal way humans think about earning the right to go to heaven.  According to Catholic theology, you must belong to the Catholic church and then work off your sin either in this life or in purgatory.  However, the gospel is radically different than this.  Let's leave this event knowing for sure if you are truly going to heaven.

Article about papal authority I referenced.