The document discusses biblical passages about the scapegoat ritual in Leviticus and prophecies in Isaiah about the suffering servant. It explains how these point to Jesus' sacrificial death on the cross for humanity's sins. Jesus opens the disciples' minds to understand how the Old Testament scriptures foretold that the Messiah would suffer, die, and rise to bring forgiveness of sins. The disciples are then called to spread this message to all nations, beginning from Jerusalem.