John 3:32

the one being of the earth is of the earth, and speaks of the earth. The one coming from heaven witnesses what He has seen and heard, and no one receives His testimony.

John 3:11

Truly, truly, I say unto thee, that we speak what we know, and testify what we have seen; and you received not our testimony.

John 1:11

He came unto His own, and His own received Him not.

John 8:26

I have many things to speak and to judge concerning you; but the One having sent me is true; those things which I heard with Him, these I speak to the world.

John 15:15

No longer do I call you servants; because the servant knows not what his lord is doing: but I have called you friends; because all things which I heard with my Father, I made known unto you.

John 3:26

And they came to John, and said to him, Rabbi, He who is with thee beyond the Jordan, to whom thou hast borne witness, behold, the same baptizeth, and all are coming to Him.

John 3:33

The one having received His testimony hath set his seal, that God is true.

John 5:20

For the Father loveth the Son, and showeth Him all things which He doeth; and will show Him greater things than these, in order that you may be astonished.

Romans 10:16-21

But they have not all heard the gospel. For Isaiah says, Lord, who has believed our report?

Romans 11:2-6

God did not cast away his people whom he foreknew. Do you not know what the scripture says in Elijah, how he makes intercession to 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
Truly, truly, I say unto thee, that we speak what we know, and testify what we have seen; and you received not our testimony.
John 5:20
For the Father loveth the Son, and showeth Him all things which He doeth; and will show Him greater things than these, in order that you may be astonished.
John 8:26
I have many things to speak and to judge concerning you; but the One having sent me is true; those things which I heard with Him, these I speak to the world.
John 15:15
No longer do I call you servants; because the servant knows not what his lord is doing: but I have called you friends; because all things which I heard with my Father, I made known unto you.

And no

John 3:26
And they came to John, and said to him, Rabbi, He who is with thee beyond the Jordan, to whom thou hast borne witness, behold, the same baptizeth, and all are coming to Him.
John 1:11
He came unto His own, and His own received Him not.
Romans 10:16
But they have not all heard the gospel. For Isaiah says, Lord, who has believed our report?
Romans 11:2
God did not cast away his people whom he foreknew. Do you not know what the scripture says in Elijah, how he makes intercession to God against Israel?

General references

John 12:49
Because I have not spoken of Myself; but the Father Himself having sent me, gave me commandment, what I shall speak, and what I shall say.