He was appointed to be the Son of God with power through the Spirit of holiness [Note: This could refer to the Holy Spirit] when He was raised from the dead.
For God loved the world [of sinners] so much that He gave His one and only Son, so that every person who believes in Him would not [have to] be destroyed, but have never ending life.
While he was still talking, suddenly a bright cloud engulfed them. Just then, a voice spoke out of the cloud, saying, “This is my dearly loved Son, who is very pleasing to me; listen to Him.”
[Isa. 13:1ff] “Look, see my [i.e., God’s] servant whom I have chosen; my dear One [i.e., Jesus] with whom my soul is very pleased: I will put my Holy Spirit on Him, and He will proclaim judgment to the [unconverted] Gentiles.
and the Holy Spirit came down on Him in a physical form, as a dove, and a voice spoke out of heaven [saying], “You are my dearly loved Son. I am very pleased with you.”