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Today’s Gospel is taken from the beginning of Mark.  Unlike Luke and Matthew, Mark does not include any details of Jesus’ birth.  Instead, Mark begins with the appearance of John the Baptist in the desert.  On this Second Sunday of Advent, we are invited to reflect upon the role of John the Baptist, who prepared the way for Jesus and the salvation that he would bring to us.

Mark’s description of the appearance of John the Baptist highlights John’s continuity with the Jewish prophetic tradition.  Mark combines quotations from the Old Testament books of Malachi, Isaiah and Exodus.  Mark’s description of John as an ascetic, living in the desert, clothed in camel hair, and eating locusts and wild honey, is reminiscent of the description of the prophet Elijah found in Second Kings.  The people of Judea and Jerusalem flock to him, listening to his message of repentance and forgiveness; they also come to him to be baptized.  Mark’s Gospel is clear, however, that John the Baptist’s role is only to prepare the way for another who will come, one who is greater than John.

Many scholars believe that the Gospels reflect the tension that likely existed between followers of John the Baptist and disciples of Jesus.  Each of the four Evangelists reports on John’s preaching and baptizing, and they each emphasize the importance of Jesus’ baptism by John.  The four Gospels also explain that John was sent to preach in preparation for another.  In the Gospel of Luke, the question is raised as to whether John the Baptist was himself the Messiah.  Just as in today’s Gospel, however, John speaks quite explicitly that the Messiah was to come after him.

In today’s Gospel, we hear John the Baptist contrast his baptism of repentance with the baptism that Jesus will inaugurate.  John says the he has baptized with water, but that the one who is to come will baptize with the Holy Spirit.  John’s baptism was not yet a Christian baptism, but a preparation for the Sacrament of Baptism through which sins are forgiven and the gift of the Holy Spirit is received.

John the Baptist is presented to us as a model during Advent.  We, too, are called upon to prepare a way for the Lord.  Like John the Baptist, we are messengers in service to one who is greater than we are.  Our Baptism commissions us to call others to life as disciples of Jesus.