John 3:32

What He has seen and heard, to that He bears witness; but His testimony no one receives.

John 3:11

In most solemn truth I tell you that we speak what we know, and give testimony of that of which we were eye-witnesses, and yet you all reject our testimony.

John 1:11

He came to the things that were His own, and His own people gave Him no welcome.

John 8:26

"Many things I have to speak and to judge concerning you. But He who sent me is true, and the things which I have heard from Him are those which I have come into the world to speak."

John 15:15

No longer do I call you servants, because a servant does not know what his master is doing; but I have called you friends, because all that I have heard from the Father I have made known to you.

John 3:26

they came to John and reported to him, "Rabbi, he who was with you on the other side of the Jordan and to whom you bore testimony is now baptizing, and great numbers of people are resorting to him."

John 3:33

Any man who has received His testimony has solemnly declared that God is true.

John 5:20

For the Father loves the Son and reveals to Him all that He Himself is doing. And greater deeds than these will He reveal to Him, in order that you may wonder.

Romans 10:16-21

But, some will say, they have not all hearkened to the Good News. No, for Isaiah asks, "Lord, who has believed the Message they have heard from us?"

Romans 11:2-6

God has not cast off His People whom He knew beforehand. Or are you ignorant of what Scripture says in speaking of Elijah--how he pleaded with God against Israel, saying,

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
In most solemn truth I tell you that we speak what we know, and give testimony of that of which we were eye-witnesses, and yet you all reject our testimony.
John 5:20
For the Father loves the Son and reveals to Him all that He Himself is doing. And greater deeds than these will He reveal to Him, in order that you may wonder.
John 8:26
"Many things I have to speak and to judge concerning you. But He who sent me is true, and the things which I have heard from Him are those which I have come into the world to speak."
John 15:15
No longer do I call you servants, because a servant does not know what his master is doing; but I have called you friends, because all that I have heard from the Father I have made known to you.

And no

John 3:26
they came to John and reported to him, "Rabbi, he who was with you on the other side of the Jordan and to whom you bore testimony is now baptizing, and great numbers of people are resorting to him."
John 1:11
He came to the things that were His own, and His own people gave Him no welcome.
Romans 10:16
But, some will say, they have not all hearkened to the Good News. No, for Isaiah asks, "Lord, who has believed the Message they have heard from us?"
Romans 11:2
God has not cast off His People whom He knew beforehand. Or are you ignorant of what Scripture says in speaking of Elijah--how he pleaded with God against Israel, saying,

General references

John 12:49
Because I have not spoken on my own authority; but the Father who sent me, Himself gave me a command what to say and in what words to speak.