Mark 1:4
John baptized in the wilderness and preached the baptism of repentance for remission of sins.
Luke 1:77
giving knowledge of saving health unto his people for the remission of their sins
Matthew 3:1-2
In those days came John the Baptist, preaching in the wilderness of Judaea
Matthew 3:6
and were baptized of him in the Jordan, confessing their sins.
Matthew 3:11
I indeed baptize you in water unto repentance, but he that comes after me is mightier than I, whose shoes I am not worthy to bear; he shall baptize you in the Holy Spirit and fire,
Luke 3:2-3
Annas and Caiaphas being the high priests, the word of God came upon John the son of Zachariah in the wilderness.
John 3:23
And John also was baptizing in Aenon near to Salim because there was much water there, and they came and were baptized.
Acts 10:37
that word, I say, ye know, which was published throughout all Judaea and began from Galilee, after the baptism which John preached,
Acts 13:24-25
John, having first proclaimed before his coming, the baptism of repentance to all the people of Israel.
Acts 19:3-4
And he said unto them, Into what then were ye baptized? And they said, Into John's baptism.
Acts 22:16
And now why tarriest thou? Arise and be baptized and wash away thy sins, calling on the name of the Lord.