According To The Spirit

Romans 1:1-4 (ESV Strong's)

1 Paul, a servant of Christ Jesus, called to be an apostle, set apart for the gospel of God, 2 which he promised beforehand through his prophets in the holy Scriptures, 3 concerning his Son, who was descended from David according to the flesh 4 and was declared to be the Son of God in power according to the Spirit of holiness by his resurrection from the dead, Jesus Christ our Lord,

Jesus descended from heaven into the flesh of man, bringing the life of God to those who walked in the darkness of death. He came through the Spirit and was raised by the Spirit with the flesh of man. Heaven and earth are joined in the first-fruits of the new creation, that is Jesus Christ. 

Therefore we who follow Him are raised from the dead by the Spirit into a first-fruits of the kingdom of God. We are declared to be the sons of God according to the Spirit of holiness.