Sound biblical theology is essential to the life and health of a local church because a healthy church has sound theology. Theology is simply the study or knowledge of God, and every person is a theologian in some sense because every person believes something about God. The question is not whether theology exists, but whether it is biblically informed or shaped by imagination, culture, false teachers, and personal preference.
Sound theology means knowing God as he has revealed himself in all of Scripture. Sound means healthy, reliable, accurate, trustworthy, and faithful. Scripture does not permit people to pick the attributes of God they like while rejecting the ones they do not. God is loving, but he is also holy. God is merciful, but he is also just. Scripture contains tensions that call for humility, not contradictions that give people permission to dismiss what they cannot fully explain.
The church stands as “a pillar and buttress of the truth.” The church is called to display, proclaim, and protect the truth of God and the gospel of Jesus Christ. A church without theology is essentially a church without God, which is no church at all. Sound theology guards against worshiping a god made in human imagination, a god who fits self-centered agendas and suits itching ears.
God’s self-revelation tells his people who he is, what he rules, and what he is doing. God rules over creation, nations, suffering, circumstances, and every minute detail of history. God is not reacting to human history because he wrote it, ordained it, and rules over it as it unfolds. God’s sovereignty does not answer every question about suffering, but it gives believers a trustworthy God when they cannot see how the story fits together.
God’s purposes are ultimately for his own glory, and his glory is not in competition with human joy. God does not glorify himself because he needs anything from his creatures. God glorifies himself by giving the greatest possible good, himself. The more people have of God, the more joy they find in him, and the more God is glorified in them.
Sound theology is not merely informative. Sound theology is transformative. God’s holiness changes how sin is treated. God’s grace produces grace toward others. God’s justice frees people from revenge. Christ’s substitution frees sinners from trying to prove their worth. Sound theology also protects the gospel itself, because a distorted view of God will eventually distort the cross, salvation, assurance, mission, and the hope of resurrection. Right theology should produce right living, and accurate knowledge of God will always lead to Jesus and his cross.
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Key Takeaways
- 1. Every person is already a theologian The question is never whether a person has beliefs about God. The question is whether those beliefs come from God’s Word or from the desires of a fallen heart. A made-up god may use biblical words, Christian songs, and religious activity, while still being an idol. Sound theology protects the heart from mistaking personal preference for divine truth. [11:03]
- 2. God must define God for us God alone is the accurate representative of himself. Scripture calls believers to receive all that God has revealed, not merely the parts that feel comfortable or easy to explain. God’s holiness, justice, mercy, love, sovereignty, and grace belong together in perfect harmony. Humility receives those tensions rather than forcing God into a smaller system. [18:12]
- 3. God’s glory is believers’ greatest good God’s pursuit of his own glory is not selfish in the way human self-exaltation is selfish. God is the highest, greatest, most beautiful, and most worthy reality that exists. If God gave people every earthly desire but withheld himself, he would withhold the greatest possible gift. God’s glory and redeemed joy are not competing interests. [27:33]
- 4. Right theology produces right living The knowledge of God is meant to warm the heart and empower the hands, not simply fill the mind. God’s sovereignty fights anxious control, God’s holiness fights casual sin, and God’s grace produces grace toward undeserving people. Theology that only creates arrogance, nitpicking, and combativeness has been twisted or wrongly applied. Sound theology bears fruit in obedience, humility, worship, and perseverance. [31:25]
- 5. The cross guards the true gospel What people believe about God will determine what they believe about salvation. God’s holiness establishes sin as serious, God’s justice establishes the need for a substitute, and God’s grace establishes salvation as a gift. Christ’s true deity, true humanity, sinlessness, death, and resurrection are not peripheral details. The cross stands at the center of God’s glory and the sinner’s only hope.
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Youtube Chapters
- [00:00] - Welcome
- [00:58] - Church Matters and Sound Theology
- [05:09] - Does Doctrine Only Divide?
- [07:16] - The Church as Pillar of Truth
- [10:17] - What Is Sound Theology?
- [14:20] - Guarding Against an Imagined God
- [18:12] - Who God Is and What God Rules
- [23:17] - God’s Purpose and Glory
- [30:24] - Theology That Changes How People Live
- [36:05] - Sound Theology Protects the Gospel
- [40:55] - Knowing God and Loving Him More
- [42:28] - Communion and the Cross