Why is it important for Christians to know the true gospel?

For Christians, knowing the true gospel is crucial as it determines the validity of their faith and the authenticity of their conversion. The sermon addresses that many people may think they are saved based on a perverted message that incorporates rituals or decisionism instead of genuine belief in Christ. This misunderstanding can lead them to trust in false assurances rather than in the saving grace of God. Thus, true conversion requires a deep and accurate understanding of the gospel, as it is through recognizing one's sin and desperate need for Christ that one truly comes to faith. The clarity on the gospel prevents the rise of false beliefs and preserves the church's integrity, ensuring that believers are firmly rooted in the truth of God’s word.