John 3:32

He continues to bear testimony to what He has actually seen and heard, and yet no one accepts His testimony.

John 3:11

I most solemnly say to you, we know what we are talking about and we have seen what we are testifying to, yet you are all rejecting our testimony.

John 1:11

He came into His own world, but His own people did not welcome Him.

John 8:26

I have much to say about you and much to condemn in you, but He who sent me is truthful, and I am telling the world only what I have learned from Him."

John 15:15

I no longer call you slaves, because the slave does not know what his master is doing; I now call you friends, because I have told you everything that I have learned from my Father.

John 3:26

And they went to John and said to him, "Teacher, the man who was with you on the other side of the Jordan, to whom you bore testimony yourself, is baptizing people and everybody is going to Him."

John 3:33

Whoever does accept His testimony has certified with a seal that God is true.

John 5:20

For the Father loves the Son and shows Him everything that He Himself is doing, and He will show Him greater deeds than these, so that you will keep on wondering.

Romans 10:16-21

However, they have not all given heed to the good news, for Isaiah says, "Lord, who has put faith in what we told?"

Romans 11:2-6

No, God has not disowned His people, on whom He set His heart beforehand. Do you know what the Scripture says in Elijah's case, how he pleaded with God against Israel?

Treasury of Scripture Knowledge

Summary

And what he hath seen and heard, that he testifieth; and no man receiveth his testimony.

General references

Bible References

What

John 3:11
I most solemnly say to you, we know what we are talking about and we have seen what we are testifying to, yet you are all rejecting our testimony.
John 5:20
For the Father loves the Son and shows Him everything that He Himself is doing, and He will show Him greater deeds than these, so that you will keep on wondering.
John 8:26
I have much to say about you and much to condemn in you, but He who sent me is truthful, and I am telling the world only what I have learned from Him."
John 15:15
I no longer call you slaves, because the slave does not know what his master is doing; I now call you friends, because I have told you everything that I have learned from my Father.

And no

John 3:26
And they went to John and said to him, "Teacher, the man who was with you on the other side of the Jordan, to whom you bore testimony yourself, is baptizing people and everybody is going to Him."
John 1:11
He came into His own world, but His own people did not welcome Him.
Romans 10:16
However, they have not all given heed to the good news, for Isaiah says, "Lord, who has put faith in what we told?"
Romans 11:2
No, God has not disowned His people, on whom He set His heart beforehand. Do you know what the Scripture says in Elijah's case, how he pleaded with God against Israel?

General references

John 12:49
This is because I have not spoken on my own authority, but the Father who has sent me has given me orders Himself what to say and what to tell.