Your sermon must explore the task of a prophet under the old covenant, the fulfillment in Jesus Christ, and the prophetic task in the new covenant. You will show that an absence of God’s Word is a sign of his displeasure, and that it is due to his grace that he speaks to people, not because of our deserving.
1 Now the boy Samuel was ministering to the LORD in the presence of Eli. And the word of the LORD was rare in those days; there was no frequent vision.