"The people who walk in darkness will see a great light. Those who live in a dark land, the light will shine on them." (Isaiah 9:2) Those words from the prophet Isaiah told of the coming Prince of Peace, and of the light and life He would bring. Christmas arrives again with all the promise of remembrance and celebration. Christians celebrate Christmas because the light did dawn. The birth of Jesus in Bethlehem was not only the fulfillment of biblical prophecy, but the dawn of a new age. As the angels declared to the shepherds, this infant is "a Savior, who is Christ the Lord."
This is the very essence of Christmas: The birth of the Savior. To understand Christmas is to know that the ultimate peace the Savior would bring would be established by His death and resurrection. Even as Jesus came to save His people from their sins, Christ's birth points towards His cross and the fulfillment of His saving work.
[Read the rest of the article at AlbertMohler.com.]