The document summarizes a church service that took place on September 19, 2021 at the Bambang Baptist Church. The sermon discussed 2 Peter Chapter 1 and focused on how Christians can combat internal threats in the church. To build and strengthen faith, believers must have God in their lives as the source of faith and salvation. They must also work on developing virtues like knowledge, self-control, perseverance, godliness, brotherly kindness, and love so their faith overflows and blesses others.