For six days, work is to be done, but the seventh day is a Sabbath of rest, holy to the Lord. The Lord's Day is a call to reclaim our purpose and place in creation, breaking free from the clamor of other calls. When the people of God gather together, they experience God's presence in a way they cannot experience alone. Ironically, family conflict is often highest on Sunday mornings, as everyone gets ready for church. One time we arrived at church in such a heated state that I was paying attention to the argument and not what I was doing.
Worship takes preparation, which is itself a spiritual discipline.
The discipline of preparation for worship involves very few new ideas, but rather, it calls for the use of common sense combined with wise time management. These common sense ideas are spelled out in your sermon outline. But let me quickly go over them. Prepare yourself spiritually . Read the scriptures that will be the basis for the sermon.