Mark 1:4
John came baptizing in the wilderness and proclaiming the baptism of repentance for the remission of sins.
Luke 1:77
to give knowledge of salvation to His people by the remission of their sins,
Matthew 3:1-2
In those days John the Baptist came preaching in the wilderness of Judea,
Matthew 3:6
And they were baptized by him in the Jordan, confessing their sins.
Matthew 3:11
I indeed baptize you with water to repentance. But He who comes after me is mightier than I, whose sandals I am not worthy to carry. He shall baptize you with the Holy Spirit and with fire;
Luke 3:2-3
Annas and Caiaphas being the high priests-- the Word of God came to John the son of Zacharias in the wilderness.
John 3:23
And John was also baptizing in Enon near Salim, because there was much water there. And they came and were baptized.
Acts 10:37
that word which was published throughout all Judea, and began from Galilee, after the baptism which John proclaimed;
Acts 13:24-25
John having before proclaimed the baptism of repentance to all the people of Israel, before His coming.
Acts 19:3-4
And he said to them, Then to what were you baptized? And they said, To John's baptism.
Acts 22:16
And now what do you intend? Arise and be baptized and wash away your sins, calling on the name of the Lord.