John 1:31
I did not yet know Him; but that He may be openly shown to Israel is the reason why I have come baptizing in water."
Luke 1:17
and he will be His forerunner in the spirit and power of Elijah, to turn fathers' hearts to the children, and cause the rebellious to walk in the wisdom of the upright, to make a people perfectly ready for the lord."
Matthew 3:6
and were baptized by him in the Jordan, making full confession of their sins.
Mark 1:3-5
"The voice of one crying aloud: 'In the Desert prepare a road for the Lord: Make His highways straight.'"
Luke 1:76-80
And you moreover, O child, shall be called Prophet of the Most High; For you shall go on in front before the Lord to prepare the way for Him,
Luke 2:39-42
Then, as soon as they had accomplished all that the Law required, they returned to Galilee to their own town of Nazareth.
Luke 3:3-4
John went into all the district about the Jordan proclaiming a baptism of the penitent for the forgiveness of sins;
John 1:7
He came as a witness, in order that he might give testimony concerning the Light--so that all might believe through him.
John 1:33
I did not yet know Him, but He who sent me to baptize in water said to me, "'The One on whom you see the Spirit coming down, and remaining, He it is who baptizes in the Holy Spirit.'
Acts 19:4
"John," he said, "administered a baptism of repentance, bidding the people believe on One who was to come after him; namely, on Jesus."