Galatians 4:4-5 tells us that, when the fullness of time had come, God sent forth his Son, born of woman…so that we might receive adoption as sons.
The son of God became human, so that humans might become sons and daughters of GOD.
Christmas is a reminder that God loves us! He loves us in spite of our sin (Rom 5:8). He doesn’t see any of us as a lost cause. He sees us as worth serving, living, and dying for. God sent his Son on Christmas to live and die for us…To save us from our sins…and save us to Himself.
Like Christmas, Christianity is a gift exchange: we give Jesus our sin, and he gives us eternal life. No matter how many times we repeat that message, it never gets old.
Augustine, speaking on the incarnation of Christ said this:
Man’s maker was made man,
that He, Ruler of the stars, might nurse at His mother’s breast;
that the Bread might hunger,
the Fountain thirst,
the Light sleep,
the Way be tired on its journey;
that the Truth might be accused of false witness,
the Teacher be beaten with whips,
the Foundation be suspended on wood;
that Strength might grow weak;
that the Healer might be wounded;
that Life might die.
– Augustine of Hippo (Sermons 191.1)