The Savior - Advent
For unto you is born this day in the city of David a Savior, who is Christ the Lord. (Luke 2:11 ESV)
There was born a Savior. But why was there need for a savior? Well, because of sin. But what is sin? “Sin is anything (whether in thoughts, actions, or attitudes) that does not express or conform to the holy character of God as expressed in his moral law”. Basically, sin means that we have missed the mark. Our relationship with God has now been broken. In our being satisfied in God, in our being joyful in him, God is honored. But we have sinned and we seek our joy elsewhere.
What does that mean? Because we have sinned we don’t have access to God anymore and never would. There is no ultimate joy and peace.
But there is a Savior! Halleluiah! This Savior was born a human but was fully God. This savior created us, and is the one whom we fought against. This Savior owed us nothing! But he was born. He was born to die. He came and lived a perfect life, and was killed. But he rose on the third day. He took the punishment we deserve. He paid the price. He made us right with God. He adopted us. He is with us. He gave us what we did not deserve. We have access to God by faith. That is, trusting that these things are true and running to him in all of life. Faith is a reasonable trust backed up by Gods mighty acts in Biblical history from Genesis to revelation.2
This is why we celebrate this Christmas. The birth of Jesus. Who was born to die.
 Crossway Bibles. (2008). The ESV Study Bible (p. 2530). Wheaton, IL: Crossway Bibles.
2 Michael Horton