And the angel said to them, "Be not afraid; for behold, I bring you good news of a great joy which will come to all the people; for to you is born this day in the city of David a Savior, who is Christ the Lord. And this will be a sign for you: you will find a baby wrapped in swaddling cloths and lying in a manger."
The Hail Mary prayer comes straight from scripture.
"Hail, full of Grace, the Lord is with you" Luke 1:28
"Blessed are you among women, and blessed is the fruit of your womb" Luke 1:42
And she brought forth her firstborn son, and wrapped him in swaddling clothes, and laid him in a manager; because there was no room for them at the inn.
And there were in the same country shepherds abiding in the field, keeping watch over their flock by night.
And, lo, the angel of the Lord came upon them, and the glory of the Lord shone round about them: and they were sore afraid.
And the angel said unto them, Fear not: for, behold, I bring you good tidings of great joy, which shall be to all people.
For unto you is born this day in the city of David a Saviour, which is Christ the Lord.
And this shall be a sign unto you; Ye shall find the babe wrapped in a swaddling clothes, lying in a manger.