has raised up a powerful deliverer.19 This is a messianic image; the image of a horn suggests the strength of the deliverer who will arise from the house of God’s servant David.20 To this point, Zechariah’s song replays notes sounded in Gabriel’s annunciation to Mary, not the angel’s message to Zechariah (see 1:32–33). As one filled with the Spirit, he knows what Luke’s audience has learned in the narrative thus far and can deepen their understanding. Zechariah now describes the divine initiative