John 1:7

This one came as a witness, to bear witness concerning the Light, so that all might believe through him.

John 1:19

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

Acts 19:4

And Paul said, John truly baptized with the baptism of repentance, saying to the people that they should believe into Him coming after him, that is, into Jesus Christ.

John 1:9

He was the true Light; He enlightens every man coming into the world.

John 1:12

But as many as received Him, He gave to them authority to become the children of God, to those who believe on His name,

John 1:15

John bore witness of Him and cried out, saying, This was He of whom I spoke: He who comes after me has been before me, for He was preceding me.

John 1:26-27

John answered them, saying, I baptize with water, but One stands among you whom you do not know.

John 1:32-34

And John bore record, saying, I saw the Spirit descending from Heaven like a dove, and He abode on Him.

John 1:36

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

John 3:26-36

And they came to John and said to him, Rabbi, He who was with you beyond Jordan, to whom you bore witness, behold, He baptizes, and all come to Him!

John 5:33-35

You sent to John, and he bore witness to the truth.

Ephesians 3:9

and to bring to light what is the fellowship of the mystery which from eternity has been hidden 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 brings salvation has appeared to all men,

2 Peter 3:9

The Lord is not slow concerning His promise, as some count slowness, but is long-suffering toward us, not purposing 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 priests and Levites from Jerusalem to ask him, Who are you?
John 3:26
And they came to John and said to him, Rabbi, He who was with you beyond Jordan, to whom you bore witness, behold, He baptizes, and all come to Him!
John 5:33
You sent to John, and he bore witness to the truth.
Acts 19:4
And Paul said, John truly baptized with the baptism of repentance, saying to the people that they should believe into Him coming after him, that is, into Jesus Christ.

That

John 1:9
He was the true Light; He enlightens every man coming into the world.
John 3:26
And they came to John and said to him, Rabbi, He who was with you beyond Jordan, to whom you bore witness, behold, He baptizes, and all come to Him!
Ephesians 3:9
and to bring to light what is the fellowship of the mystery which from eternity has been hidden 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 brings salvation has appeared to all men,
2 Peter 3:9
The Lord is not slow concerning His promise, as some count slowness, but is long-suffering toward us, not purposing 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 before proclaimed the baptism of repentance to all the people of Israel, before His coming.