John 1:7

He came for witness, to give witness about the light, so that all men might have faith through him.

John 1:19

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

Acts 19:4

And Paul said, John gave a baptism which goes with a change of heart, saying to the people that they were to have faith in him who was coming after him, that is, in Jesus.

John 1:9

The true light, which gives light to every man, was then coming into the world.

John 1:12

To all those who did so take him, however, he gave the right of becoming children of God--that is, to those who had faith in his name:

John 1:15

John gave witness about him, crying, This is he of whom I said, He who is coming after me is put over me because he was in existence before me.

John 1:26-27

John's answer was: I give baptism with water; but there is one among you of whom you have no knowledge;

John 1:32-34

And John gave this witness, saying, I saw the Spirit coming down from heaven like a dove and resting on him.

John 1:36

And looking at Jesus while he was walking he said, See, there is the Lamb of God!

John 3:26-36

And they went to John and said to him, Rabbi, the man who was with you on the other side of the Jordan, the man to whom you gave witness, is now giving baptism, and everyone is going to him.

John 5:33-35

You sent to John and he gave true witness.

Ephesians 3:9

And make all men see what is the ordering of the secret which from the first has been kept in God who made all things;

1 Timothy 2:4

Whose desire is that all men may have salvation and come to the knowledge of what is true.

Titus 2:11

For the grace of God has come, giving salvation to all men,

2 Peter 3:9

The Lord is not slow in keeping his word, as he seems to some, but he is waiting in mercy for you, not desiring the destruction of any, but that all may be turned from their evil ways.

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 him with the question, Who are you?
John 3:26
And they went to John and said to him, Rabbi, the man who was with you on the other side of the Jordan, the man to whom you gave witness, is now giving baptism, and everyone is going to him.
John 5:33
You sent to John and he gave true witness.
Acts 19:4
And Paul said, John gave a baptism which goes with a change of heart, saying to the people that they were to have faith in him who was coming after him, that is, in Jesus.

That

John 1:9
The true light, which gives light to every man, was then coming into the world.
John 3:26
And they went to John and said to him, Rabbi, the man who was with you on the other side of the Jordan, the man to whom you gave witness, is now giving baptism, and everyone is going to him.
Ephesians 3:9
And make all men see what is the ordering of the secret which from the first has been kept in God who made all things;
1 Timothy 2:4
Whose desire is that all men may have salvation and come to the knowledge of what is true.
Titus 2:11
For the grace of God has come, giving salvation to all men,
2 Peter 3:9
The Lord is not slow in keeping his word, as he seems to some, but he is waiting in mercy for you, not desiring the destruction of any, but that all may be turned from their evil ways.

General references

Mark 11:30
The baptism of John, was it from heaven or from men? give me an answer.
Acts 13:24
For whose coming John made ready the way by preaching to all the people of Israel the baptism which goes with a change of heart.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain