Former Archbishop of Canterbury Rowan Williams offers beautiful reflections on three favourite Christmas carols: 'O come all ye faithful,' 'Hark! the herald angels sing' and 'We three kings.' This video is well worth the 30 minutes of your time.
Here's one quotation:
If we take the story of Christmas seriously, "We ought to be looking with speechless amazement at every human face; God thought this face, this person, was worth everything. God thinks there is no gift or risk too great to bring full life and joy to this person."