Mark 1:4
John was baptizing in the wilderness, and preaching 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 came John the Baptist, preaching in the wilderness of Judea,
Matthew 3:6
And were baptized by him in Jordan, confessing their sins.
Matthew 3:11
I indeed baptize you with water to repentance: but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: 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 also was baptizing in Enon, 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 Judea, and began from Galilee, after the baptism which John preached;
Acts 13:24-25
John having first preached, before his coming, the baptism of repentance to all the people of Israel.
Acts 19:3-4
And he said to 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.