Well not long ago, a colleague and friend of mine sent me a couple paragraphs from a book she's reading by the author Steve Backlund that did that for me:
"'Good tidings of great joy' is the first thing that is said in the angelic announcement.
"Let that sink in for a moment.
"The angel did not say, 'I bring you news of a teaching that I hope you can follow,' or, 'I bring you news that Jesus is coming; and boy, is he mad!'
"No, the message was, 'It's time to celebrate! God is doing what you couldn't. He is making a way where there was no way. You are being saved from the curse, rejection, shame, punishment, poverty, sickness; and from performance…