Preach the Gospel
In order to inspire faith, preaching must convey the Gospel. The Good News is that God is for us in Jesus Christ. Helping the hearer understand this goes well beyond a “simple” evangelistic message. The grace of God addresses us at every point in our lives: it establishes and strengthens our faith (and, therefore, obedience). Certainly, preach the Law as well—bad news often precedes the Good News. But the majestic goodness of God, displayed in the Gospel, must characterize our preaching week in and week out. This wins our faith.
Preach against Unbelief
In order to transform people, preaching aims to increase their faith. The desired progression is from sin to holiness (sanctification), which requires faith. A person will only be changed through truly believing the Word of God. Whether Christian or not, all of us have the same problem: we do not believe the Word of God enough to let it shape our lives in every way. Therefore the preacher must target the unbelief in the hearer, and proclaim the Word as beacon that draws forth true faith from those in whom the Spirit works.
Preach to Transform
In order to glorify God, preaching aims at complete redemption and renewal. The goal is to make the hearer better able to engage reality (God, self, others, world, culture, etc.) from a Biblical perspective. Every facet of every life is fair game—if a person thinks, feels, speaks or acts at all, then those ways of participating in God’s world ought to be made to serve God’s glory. Sometimes the transformation is dramatic, as when a person is convicted and converted. Sometimes the change is externally imperceptible, as when a person is reassured once again of God’s love. Always it should be so that the person loves God with his whole heart, soul, mind and strength better than he did when he first sat in the pew.
Preach to Glorify God
The ultimate goal of Christian preaching—as with all other things—is the glory of the Triune God. When the minister proclaims God’s true and beautiful Word, he honors the Persons, attributes, and works of God. But the glory really radiates when the Spirit uses his Word to change lives. If someone is convicted, saved, comforted, inspired, redeemed by the preached Word, God was at work, showing himself to be good, sovereign, gracious, and altogether glorious.