It is hard to imagine what the world would be like without Saul of Tarsus (the apostle Paul), but it would have been harder to imagine that such a violent persecutor of Christians would become a Christian and a missionary. His conversion and call, recorded in Acts 9:1-22, teach us not to despair of anyone or of ourselves, because God’s grace is sufficient for them and for us.
Although many Jews did not believe the gospel and many non-Jews did, everyone who calls on the name of the Lord will be saved.
Because of a general persecution in Jerusalem, the believers were scattered and took the gospel to Judea and Samaria, where many believed in Christ.
Because Acts 25 shows us that things aren't always as they seem, we need to walk by faith and not by sight.