In response to this angelic announcement, Mary asks a question reminiscent of Zechariah’s query, “How can this be?” She had not had sexual relations with a man. Ultimately, the purpose of Mary’s question (v.34)—which leads to Gabriel’s answer (v.35) and the giving of a sign (v.36) and word of reassurance (v.37)—is to emphasize that all of this is God’s doing.
Gabriel’s response emphasizes that the baby would be born by the power of God. Like the presence of God in the cloud at the transfiguration (9:34), the Holy Spirit would come upon her and overshadow her. The child, therefore, would be God’s child, and he would be called the Son of God. As with all the annunciations in Scripture and in ancient biographical accounts, the purpose of the annunciation is to declare something vital about the identity of the child. The Lukan account repeatedly affirms that Mary’s son would be called “Son of the Most High” (v. 32a), son of David (v. 32b), and finally the title by which he would be most widely recognized, “Son of God” (v. 35). Continue reading