John 1:7

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

John 1:19

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

Acts 19:4

Then said Paul, John verily baptized with the baptism of repentance, saying to the people, That they should believe on him who should come after him, that is, on Christ Jesus.

John 1:9

That was the true Light, which lighteth every man that cometh into the world.

John 1:12

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

John 1:15

John testified concerning him, and cried, saying, This was he of whom I spoke, He that cometh after me, is preferred before me; for he was before me.

John 1:26-27

John answered them, saying, I baptize with water: but there standeth one among you, whom ye know not;

John 1:32-34

And John bore testimony, saying, I saw the Spirit descending from heaven like a dove, and it abode upon him.

John 1:36

And looking upon Jesus as he walked, he saith, Behold the Lamb of God!

John 3:26-36

And they came to John, and said to him, Rabbi, he that was with thee beyond Jordan, to whom thou didst bear testimony, behold, the same baptizeth, and all men come to him.

John 5:33-35

Ye sent to John, and he testified to the truth.

Ephesians 3:9

And to make all men see what is the fellowship of the mystery, which from the beginning of the world hath been hid in God, who created all things by Jesus Christ:

1 Timothy 2:4

Who will have all men to be saved, and to come to the knowledge of the truth.

Titus 2:11

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

2 Peter 3:9

The Lord is not slack concerning his promise, as some men count slackness; but is long-suffering toward us, not willing 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 testimony of John, when the Jews sent priests and Levites from Jerusalem, to ask him, Who art thou?
John 3:26
And they came to John, and said to him, Rabbi, he that was with thee beyond Jordan, to whom thou didst bear testimony, behold, the same baptizeth, and all men come to him.
John 5:33
Ye sent to John, and he testified to the truth.
Acts 19:4
Then said Paul, John verily baptized with the baptism of repentance, saying to the people, That they should believe on him who should come after him, that is, on Christ Jesus.

That

John 1:9
That was the true Light, which lighteth every man that cometh into the world.
John 3:26
And they came to John, and said to him, Rabbi, he that was with thee beyond Jordan, to whom thou didst bear testimony, behold, the same baptizeth, and all men come to him.
Ephesians 3:9
And to make all men see what is the fellowship of the mystery, which from the beginning of the world hath been hid in God, who created all things by Jesus Christ:
1 Timothy 2:4
Who will have all men to be saved, and to come to the knowledge of the truth.
Titus 2:11
For the grace of God that bringeth salvation hath appeared to all men,
2 Peter 3:9
The Lord is not slack concerning his promise, as some men count slackness; but is long-suffering toward us, not willing 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
John having first preached, before his coming, the baptism of repentance to all the people of Israel.