Theological term
Apostasy
102 sermons · All terms
The Demand for Discernment
Matthew 7:6 stands in deliberate tension with the prohibition against judgmentalism in verses 1–5: the same Christ who forbids a censorious spirit toward brothers commands his disciples to exercise discernment toward those who are enemies of the gospel. The sermon traces the identity of the 'dogs' and 'swine' — not ordinary unbelievers, but those whose hardened contempt for God makes continued proclamation a cause for further blasphemy and personal danger. Working through the ministries of Jesus and Paul in the Gospels, Acts, and 2 Timothy, the sermon demonstrates that this principle is not theoretical but was applied repeatedly in apostolic practice. The hearer is called to pursue wisdom through prayer, to refuse political correctness as a guide for gospel witness, and to maintain the balance Christ himself models: compassion toward weak brethren, patient witness to ordinary unbelievers, and principled restraint before confirmed enemies of the truth.
Contending for the Faith
Jude's brief epistle opens with a thesis that reorients the entire letter: believers are to contend earnestly for the faith once for all delivered to the saints. This study of Jude 1 works through three movements — the command to contend (v. 3), the reason for it (v. 4), and the means of defense (vv. 17–21) — demonstrating that the obligation to guard and propagate Christian truth falls on every believer, not merely ordained officers or parachurch specialists. The apostates Jude describes are shown to be ungodly, secretive, and antinomian, but God's sovereign judgment over Egypt, the fallen angels, and Sodom and Gomorrah supplies the confidence the church needs to contend without fear. The practical strategy is simple: build yourselves up on the holy faith through Scripture, pray in the Holy Spirit, and look for the mercy of Christ — all while engaging opponents with earnestness and genuine Christ-like character.
The Contest at Carmel
The contest on Mount Carmel between Elijah and the 450 prophets of Baal (1 Kings 18:20–40) exposes the utter bankruptcy of idolatry and the absolute sovereignty of Yahweh. Where the prophets of Baal resort to hours of frenzied manipulation — leaping, crying aloud, and cutting themselves — Elijah offers a brief, theologically precise prayer and the fire of the Lord falls, consuming sacrifice, wood, stones, and water. The passage confronts every hearer with Elijah's unanswerable challenge: 'How long will you falter between two opinions?' — demanding undivided allegiance to God alone, not a syncretistic blend of Yahweh and the Baals of any generation.
A Call to Repentance
Malachi 3:6–12 confronts the people of Israel with a specific act of covenant faithlessness — the withholding of tithes and offerings — and calls them to return to God. The sermon works through four observations: the immutability of God as the ground of Israel's survival, the persistent mutability and apostasy of man, the call to repentance as the divinely appointed means of restored fellowship, and the remedy God himself prescribes in verses 10–12. The prosperity-gospel misreading of the 'windows of heaven' promise is firmly rejected: the promise is covenantal and corporate, not a mechanism for individual economic gain. The sermon closes by grounding all giving and all repentance in the finished work of Christ, whose self-sacrifice alone saves.
Deuteronomy 13
Deuteronomy 13 exposes three escalating threats to covenant fidelity in Israel: the false prophet who performs genuine signs but leads toward idolatry, the family member or close friend who privately solicits apostasy, and the urban revolutionary movement that corrupts an entire city. The chapter shows that God tests his people through such enticements to reveal whether their love for him is genuine, and that the severity of the prescribed penalties is proportionate to the gravity of the crime — which was not merely religious sin but constitutional treason against the covenant Lord. The same principles carry into the new covenant: gospel perverters are anathematized, family loyalty must never outrank loyalty to Christ, and the first and second commandments still demand undivided allegiance.
God's Love for Israel
Malachi opens not with rebuke but with the declaration 'I have loved you, says the Lord' — a foundation the prophet lays before addressing Israel's covenant failures. This sermon introduces the book of Malachi in its post-exilic historical setting and expounds the first oracle (1:1–5), in which God answers Israel's skeptical question 'In what way have you loved us?' with three lines of evidence: sovereign election (Jacob loved, Esau hated), mercy displayed in the judgment of Edom, and the expansive reach of his love beyond Israel's borders. The application presses believers to resist the temptation to condition God's love on felt blessing, and to find assurance in divine election, the cross, and the new covenant mediated by Christ.
The Necessity of Contending for the Faith
Jude 3 commands every believer — not merely theologians or specialists — to contend earnestly for the faith once for all delivered to the saints. This sermon expounds the command itself, the reason Jude gives (the covert infiltration of ungodly apostates who pervert grace and deny Christ), and the threefold means of defense in verses 20–21: building oneself up in the holy faith through Scripture, praying in the Holy Spirit, and living in hopeful expectation of Christ's return. The sermon closes by urging that contention be conducted with Christian charity, humility, and freedom from pride, in keeping with the pattern of the apostles and the Lord Jesus himself.
The Apostle's Paternal Appeal to the Galatians
Galatians 4:12–20 presents the Apostle Paul's most personal and emotionally charged appeal in the letter — not a doctrinal argument but a pastoral one, grounded in shared history and genuine affection. The sermon expounds two movements in the passage: a reminder of the filial relationship Paul shared with the Galatians on his first visit among them, and a warning against the Judaizers whose zealous courtship of the Galatians serves not the glory of Christ but the aggrandisement of themselves. Throughout, the preacher presses the point that sound doctrine and warm pastoral affection are inseparable — contending for justification by faith alone must be done with the heart of a nursing mother and a grieving father, not merely the pen of a polemicist.
The Believer's Race
Hebrews 12:1 calls believers to run with endurance the race set before them, laying aside every encumbering weight and the sin that so easily ensnares. This exposition works through the believer's duty to persevere, the obstacles that must be stripped away, and the manner in which the race is to be run — with steady, joyful endurance rather than fitful bursts of zeal. The first of three incentives for faithful running is examined: the great cloud of witnesses from Hebrews 11 and beyond, whose consistent testimony is not mere spectatorship but sworn witness that God is faithful to those who press on to the end. Hearers are called to repent of sluggishness, believe the gospel, and run — not by jet or celestial railroad, but as Christian ran in Pilgrim's Progress, pressing forward through trial toward the upward call of God in Christ Jesus.
Elijah vs the Prophets of Baal
First Kings 18 records a contest on Mount Carmel in which the prophet Elijah challenges 850 prophets of Baal and Asherah before all Israel, demanding a decision: if the Lord is God, follow him; if Baal, follow him. The sermon traces three movements — Elijah's challenge, the prophets' futile response, and God's consuming fire — to demonstrate that idolatry in every form is empty and self-destructive, while the living God alone is worthy of undivided allegiance. Drawn from the passage's insistence that theology leads to discipleship, the sermon presses the claim that God will have all of a person's loyalty or none of it, and calls both unbelievers and wavering Christians to total allegiance to the Lord Jesus Christ.
The Call of Isaiah the Prophet
Isaiah 6 confronts the prophet — and the reader — with the enthroned holiness of God, the wretchedness of human sin, and the costly nature of prophetic calling. This exposition traces three movements in the chapter: the throne-room vision that undoes Isaiah, the divine atonement that restores him, and the mission God assigns — a mission of judicial hardening rather than revival. The sermon draws out five recurring themes that govern the entire book of Isaiah and closes with a call to faithful proclamation regardless of visible fruit, grounded in the sovereignty of God over judgment and restoration.
Greetings and Final Instructions
Colossians 4:7–18 closes Paul's letter not with abstraction but with names — real men whose faithfulness, failure, restoration, and apostasy illuminate the pastoral realities of gospel ministry. The passage reveals Paul not as a theology machine but as a suffering apostle sustained by the fellowship of Jewish and Gentile brothers alike, directing the advance of Christ's kingdom from a Roman prison cell. The sermon draws from each figure a single defining lesson — faithfulness, restoration, saving grace, apostasy, and strategic kingdom labor — while closing with an exhortation to guard against heresy by making much of the supremacy of Christ.