The angel answered her, "The Holy Spirit will come on you, and the power of the Most High will overshadow you. Therefore also the holy one who is born from you will be called the Son of God.
Luke may have obtained some of the intimate information in this section directly from Mary. In this section Luke stressed Jesus’ divine sonship (Luke 1:32; Luke 1:35) and His messianic role as ruler over God’s kingdom on earth (Luke 1:32-33). He also stressed God as the "Most High" (Luke 1:32; Luke 1:35; cf. Luke 1:76), the Holy Spirit’s power (Luke 1:35), and God’s grace (Luke 1:29-30; Luke 1:34-35; Luke 1:38).