John 1:7

The same came for witness, that he might bear witness of the light, that all might believe through him.

John 1:19

And this is the witness of John, when the Jews sent unto him from Jerusalem priests and Levites to ask him, Who art thou?

Acts 19:4

And Paul said, John baptized with the baptism of repentance, saying unto the people that they should believe on him that should come after him, that is, on Jesus.

John 1:9

There was the true light, even the light which lighteth every man, coming into the world.

John 1:12

But as many as received him, to them gave he the right to become children of God, even to them that believe on his name:

John 1:15

John beareth witness of him, and crieth, saying, This was he of whom I said, He that cometh after me is become before me: for he was before me.

John 1:26-27

John answered them, saying, I baptize in water: in the midst of you standeth one whom ye know not,

John 1:32-34

And John bare witness, saying, I have beheld the Spirit descending as a dove out of heaven; and it abode upon him.

John 1:36

and he looked upon Jesus as he walked, and saith, Behold, the Lamb of God!

John 3:26-36

And they came unto John, and said to him, Rabbi, he that was with thee beyond the Jordan, to whom thou hast borne witness, behold, the same baptizeth, and all men come to him.

John 5:33-35

Ye have sent unto John, and he hath borne witness unto the truth.

Ephesians 3:9

and to make all men see what is the dispensation of the mystery which for ages hath been hid in God who created all things;

1 Timothy 2:4

who would have all men to be saved, and come to the knowledge of the truth.

Titus 2:11

For the grace of God hath appeared, bringing salvation to all men,

2 Peter 3:9

The Lord is not slack concerning his promise, as some count slackness; but is longsuffering to you-ward, not wishing that any should perish, but that all should come to repentance.

Treasury of Scripture Knowledge

Summary

The same came for a witness, to bear witness of the Light, that all men through him might believe.

General references

Bible References

A witness

John 1:19
And this is the witness of John, when the Jews sent unto him from Jerusalem priests and Levites to ask him, Who art thou?
John 3:26
And they came unto John, and said to him, Rabbi, he that was with thee beyond the Jordan, to whom thou hast borne witness, behold, the same baptizeth, and all men come to him.
John 5:33
Ye have sent unto John, and he hath borne witness unto the truth.
Acts 19:4
And Paul said, John baptized with the baptism of repentance, saying unto the people that they should believe on him that should come after him, that is, on Jesus.

That

John 1:9
There was the true light, even the light which lighteth every man, coming into the world.
John 3:26
And they came unto John, and said to him, Rabbi, he that was with thee beyond the Jordan, to whom thou hast borne witness, behold, the same baptizeth, and all men come to him.
Ephesians 3:9
and to make all men see what is the dispensation of the mystery which for ages hath been hid in God who created all things;
1 Timothy 2:4
who would have all men to be saved, and come to the knowledge of the truth.
Titus 2:11
For the grace of God hath appeared, bringing salvation to all men,
2 Peter 3:9
The Lord is not slack concerning his promise, as some count slackness; but is longsuffering to you-ward, not wishing that any should perish, but that all should come to repentance.

General references

Mark 11:30
The baptism of John, was it from heaven, or from men? answer me.
Acts 13:24
when John had first preached before his coming the baptism of repentance to all the people of Israel.

American Standard Version Public Domain