Treasury of Scripture Knowledge

Summary

And he came into all the country about Jordan, preaching the baptism of repentance for the remission of sins;

For

Bible References

The country

Matthew 3:5
Then were going forth to him Jerusalem, and all Judaea, and all the country round about the Jordan,
Mark 1:4
John came, who was immersing in the wilderness, and preaching the immersion of repentance unto remission of sins.
John 1:28
These things were done in Bethany beyond the Jordan, where John was immersing.
John 3:26
And they came to John, and said to him, "Rabbi, He Who was with you beyond the Jordan, to Whom you have borne testimony, behold, He is immersing, and all are coming to Him."

Preaching

Matthew 3:6
and they were being immersed by him in the river Jordan, confessing their sins.
Mark 1:4
John came, who was immersing in the wilderness, and preaching the immersion of repentance unto remission of sins.
John 1:31
And I knew Him not; but, that He might be manifested to Israel, for this cause I came immersing in water."
Acts 13:24
John having first preached, before His coming, the immersion of repentance to all the people of Israel.
Acts 19:4
And Paul said, "John immersed with an immersion of repentance, saying to the people that they should believe on Him coming after him; that is, on Jesus."
Acts 22:16
And now why do you delay? Arising, be immersed, and wash away your sins, calling on His name.'

For

Luke 1:77
to give knowledge of salvation to His people in remission of their sins,