The document provides commentary on Bible passages for a Sunday liturgy. It summarizes Acts 2:14-41, where Peter preaches to the Jews in Jerusalem after Pentecost, telling them Jesus is Lord and Messiah. When the crowd asks how to be saved, Peter tells them to repent and be baptized. About 3,000 people were baptized that day. It also summarizes 1 Peter 2:20-25, calling Christians to follow Christ's example of suffering patiently and to live righteously, as Christ bore our sins on the cross.