John 1:31

I didn’t know Him, but I came baptizing with water so He might be revealed to Israel.”

Luke 1:17

And he will go before Him
in the spirit and power of Elijah,
to turn the hearts of fathers
to their children,
and the disobedient
to the understanding of the righteous,
to make ready for the Lord a prepared people.

Isaiah 40:3-5

A voice of one crying out:

Prepare the way of the Lord in the wilderness;
make a straight highway for our God in the desert.

Malachi 3:1

“See, I am going to send My messenger, and he will clear the way before Me. Then the Lord you seek will suddenly come to His temple, the Messenger of the covenant you desire—see, He is coming,” says the Lord of Hosts.

Malachi 4:2-5

But for you who fear My name, the sun of righteousness will rise with healing in its wings, and you will go out and playfully jump like calves from the stall.

Matthew 3:6

and they were baptized by him in the Jordan River as they confessed their sins.

Mark 1:3-5

A voice of one crying out in the wilderness:
Prepare the way for the Lord;
make His paths straight!

Luke 1:76-80

And child, you will be called
a prophet of the Most High,
for you will go before the Lord
to prepare His ways,

Luke 2:39-42

When they had completed everything according to the law of the Lord, they returned to Galilee, to their own town of Nazareth.

Luke 3:3-4

He went into all the vicinity of the Jordan, preaching a baptism of repentance for the forgiveness of sins,

John 1:7

He came as a witness
to testify about the light,
so that all might believe through him.

John 1:33

I didn’t know Him, but He who sent me to baptize with water told me, ‘The One you see the Spirit descending and resting on—He is the One who baptizes with the Holy Spirit.’

Acts 19:4

Paul said, “John baptized with a baptism of repentance, telling the people that they should believe in the One who would come after him, that is, in Jesus.”

Treasury of Scripture Knowledge

Summary

And I knew him not: but that he should be made manifest to Israel, therefore am I come baptizing with water.

Bible References

I knew

John 1:33
I didn’t know Him, but He who sent me to baptize with water told me, ‘The One you see the Spirit descending and resting on—He is the One who baptizes with the Holy Spirit.’
Luke 1:80
The child grew up and became spiritually strong, and he was in the wilderness until the day of his public appearance to Israel.
Luke 2:39
When they had completed everything according to the law of the Lord, they returned to Galilee, to their own town of Nazareth.

But

John 1:7
He came as a witness
to testify about the light,
so that all might believe through him.
Isaiah 40:3
A voice of one crying out:

Prepare the way of the Lord in the wilderness;
make a straight highway for our God in the desert.
Malachi 3:1
“See, I am going to send My messenger, and he will clear the way before Me. Then the Lord you seek will suddenly come to His temple, the Messenger of the covenant you desire—see, He is coming,” says the Lord of Hosts.
Malachi 4:2
But for you who fear My name, the sun of righteousness will rise with healing in its wings, and you will go out and playfully jump like calves from the stall.
Luke 1:17
And he will go before Him
in the spirit and power of Elijah,
to turn the hearts of fathers
to their children,
and the disobedient
to the understanding of the righteous,
to make ready for the Lord a prepared people.

Therefore

Matthew 3:6
and they were baptized by him in the Jordan River as they confessed their sins.
Mark 1:3
A voice of one crying out in the wilderness:
Prepare the way for the Lord;
make His paths straight!
Luke 3:3
He went into all the vicinity of the Jordan, preaching a baptism of repentance for the forgiveness of sins,
Acts 19:4
Paul said, “John baptized with a baptism of repentance, telling the people that they should believe in the One who would come after him, that is, in Jesus.”

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.