From Anglican priest / songwriter / blogger Glenn Packiam:
When you journey through Advent to Christmas, you begin to see Jesus more fully. You recognize that His incarnation was the beginning of the redemption of the world and that His return is the completion of it. Advent pulls those two moments together. It overlays the joy of His arrival as a helpless babe with the hope of His appearing as conquering King. Both arrivals are anticipated in celebrating Advent.
The full entry is here. – the whole entry is excellent, a combination of reflection and practical suggestions for a meaningful Advent, and filled with quotable quotes!