Even though we come to church every week, we often have the wrong motives when we come to worship.  Our heart isn't in the right place.  In fact, our attitude hinders our ability to worship.  In Psalm 98, the people are being called to worship.  And, in this, we can see the proper motive and attitude for the worship of God.  This message can be heard or downloaded at https://archive.org/details/WhyWeWorship