How do we know that Paul's ministry is a model for Christians?

Paul's ministry serves as a model for Christians because he demonstrated an unwavering commitment to the gospel and the truth of Scripture. In Acts 20:18-27, he reflects on how he has remained steadfast in declaring the whole counsel of God, ensuring that his teaching did not change despite opposition. Paul's approach to ministry emphasizes humility, as he served the Lord rather than himself, and he engaged emotionally in his calling, often expressing deep concern for the spiritual well-being of those he ministered to. His life and ministry serve as a template for all believers who aspire to faithfully proclaim the gospel.