Guarding the Gospel // Acts 15 // Watermark Community Church

Main message: The sermon explains Acts 15’s debate over whether Gentile believers must be circumcised, arguing the apostles affirmed the gospel is salvation by grace through faith (not by law) and models how the church should reason together. The preacher applies that pattern to today: test ideas by Scripture, reason together in community, and hold to the gospel while loving and preserving church unity.

Key points:

• Acts 15 recounts a crisis: some insisted Gentiles must be circumcised and keep the Mosaic law to be saved; the apostles rejected adding law to the gospel.
• The gospel is salvation by grace through faith alone in Christ alone; adding works or cultural requirements corrupts it.
• The Jerusalem deliberation provides a model for theological decision-making: don’t do theology alone, reason well using Scripture, learn from history and experience, and filter claims through God’s Word.
• Practical application: contemporary slogans like “love is love” reflect a subjective view of truth; truth and moral definitions are rooted in God’s character and Scripture (applies to marriage/gender teaching).
• The local church and communal discipleship matter — believers should be known in a church body, engage in humble debate, and protect unity while proclaiming the gospel.

Scriptures mentioned: Acts 15, Acts 10, Acts 2, Acts 11, Acts 13-14, Genesis 1-3, Genesis 12, Genesis 3:15, Ephesians 2:8-9, Galatians 2, 1 Corinthians 1, 1 Corinthians 9, Ephesians 4:14, Colossians 2:8, Genesis 2, Matthew 19, Ephesians 5, 1 Corinthians 13