 And he is writing to them in prison. He is under house arrest in Rome, chained to a guard 24-7. And this is one of the four prison epistles that he writes. Colossians, Philippians, Ephesians, Philemon. And it most likely had been written around 62 AD, 10 years after Paul and Silas had gone and preached the gospel and the Philippian church was founded in Acts 16.