Acts Theology 28: Psalm 2 and Resurrection

"You are my Son, today I have begotten you." This declaration was made over the Davidic king at his coronation and is connected to Jesus' resurrection. It does not imply that Jesus became the Son of God at the resurrection, but rather that the resurrection validated Him as the Son of God. The resurrection gave new life to Jesus, authenticating what was already true.
The original context of Psalm 2:7 is a coronation Psalm for the Davidic king. When Paul quotes this passage in Acts 13, he links it to Jesus' resurrection, demonstrating that Jesus' physical raising from the dead served as God's public declaration and validation of Jesus' sonship. This is further supported by other New Testament passages, such as Romans 1:3-4, which states that Jesus was descended from David according to the flesh "and was declared to be the Son of God in power according to the Spirit of holiness by his resurrection from the dead."
Therefore, the resurrection is not about Jesus becoming the Son of God, but about God publicly declaring and validating Jesus as His Son through an unparalleled act that humans cannot achieve. This act