John 3:32

What He hath seen, and what He heard, of this He bears testimony; and no man receives His testimony.

John 3:11

Verily, verily, I say to you, We speak that which We know, and testify to that which We have seen; and ye receive not Our testimony.

John 1:11

He came to His own possessions, and those who were His own received Him not.

John 8:26

I have many things to speak and to judge concerning you. But He Who sent Me is true; and the things which I heard from Him, these I speak to the world."

John 15:15

No longer do I call you slaves; because the slave knows not what his lord is doing; but I have called you friends, because all things which I heard from My Father I made known to you.

John 3:26

And they came to John, and said to him, "Rabbi, He Who was with you beyond the Jordan, to Whom you have borne testimony, behold, He is immersing, and all are coming to Him."

John 3:33

He that received His testimony did set his seal to it, that God is true.

John 5:20

For the Father loveth the Son, and showeth Him all things which He Himself doeth; and greater works than these will He show Him, that ye may marvel.

Romans 10:16-21

But they did not all obey the glad tidings. For Isaiah says, "Lord, who believed our report?"

Romans 11:2-6

God did not cast off His people whom He foreknew. Or know ye not what the Scripture says of Elijah? how he pleads 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
Verily, verily, I say to you, We speak that which We know, and testify to that which We have seen; and ye receive not Our testimony.
John 5:20
For the Father loveth the Son, and showeth Him all things which He Himself doeth; and greater works than these will He show Him, that ye may marvel.
John 8:26
I have many things to speak and to judge concerning you. But He Who sent Me is true; and the things which I heard from Him, these I speak to the world."
John 15:15
No longer do I call you slaves; because the slave knows not what his lord is doing; but I have called you friends, because all things which I heard from My Father I made known to you.

And no

John 3:26
And they came to John, and said to him, "Rabbi, He Who was with you beyond the Jordan, to Whom you have borne testimony, behold, He is immersing, and all are coming to Him."
John 1:11
He came to His own possessions, and those who were His own received Him not.
Romans 10:16
But they did not all obey the glad tidings. For Isaiah says, "Lord, who believed our report?"
Romans 11:2
God did not cast off His people whom He foreknew. Or know ye not what the Scripture says of Elijah? how he pleads with God against Israel:

General references

John 12:49
For I spake not from Myself; but the Father, Who sent Me, Himself hath given Me a commandment, what I should say, and what I should speak.