Luke 2:44

When Jesus was twelve, His parents and He went from Nazareth to Jerusalem to keep the Feast of the Passover. Doubtless they traveled with a large crowd of other pilgrims. It was inevitable that boys of the same age would pal together during the festivities. Therefore, on the return trip to Nazareth, Joseph and Mary assumed that Jesus was with the other young people somewhere in the caravan. But He wasn't. He had stayed behind in Jerusalem. They traveled for a full day before they missed Him....

Luke 2:40-52

After the presentation in the temple, came the incident of the visit of the Magi, recorded only in the Gospel according to Matthew, followed by the flight into Egypt, and then Herod's massacre of the children. When Mary and Joseph and the Holy Child returned from Egypt, they went to Nazareth, where they remained until Jesus was thirty years of age. Of these years we have no record, excepting this...