The Cross and the Crib.
We must not let it slip by that Jesus was born to die, He was the final sacrifice for Sin and His death and resurrection would do away with the need of the Temple sacrifices.
Mary was told about these events after Jesus was circumcised in the Jerusalem Temple by two old folks whom God had allowed to see the Messiah of Israel and the Savior of the World.
Simeon and Annah had waited a long time, but because of their devotion to God in a godless and near pagan nation.
Luke 2:21-39, 1 Corinthians 1:23, Hebrews 12:1-3, 1 Peter 4:14.