20 But when he thought about these things, behold,*1:20 "Behold", from "ἰδοὺ", means look at, take notice, observe, see, or gaze at. It is often used as an interjection. an angel of the Lord appeared to him in a dream, saying, "Joseph, son of David, don’t be afraid to take to yourself Mary as your wife, for that which is conceived in her is of the Holy Spirit. 21 She shall give birth to a son. You shall name him Jesus,*1:21 "Jesus" means "Salvation". for it is he who shall save his people from their sins."