Passage cross-references.

Herein is love, not that we loved God, but that he loved us, and sent his Son to be the propitiation for our sins.

For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life. …

And said unto the woman, Now we believe, not because of thy saying: for we have heard him ourselves, and know that this is indeed the Christ, the Saviour of the world.

And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.

My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous: …

The next day John seeth Jesus coming unto him, and saith, Behold the Lamb of God, which taketh away the sin of the world.

But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall testify of me: …

And if any man hear my words, and believe not, I judge him not: for I came not to judge the world, but to save the world.

By Silvanus, a faithful brother unto you, as I suppose, I have written briefly, exhorting, and testifying that this is the true grace of God wherein ye stand.

If we receive the witness of men, the witness of God is greater: for this is the witness of God which he hath testified of his Son.

For he whom God hath sent speaketh the words of God: for God giveth not the Spirit by measure unto him.

Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me.

That which was from the beginning, which we have heard, which we have seen with our eyes, which we have looked upon, and our hands have handled, of the Word of life; …

But I have greater witness than that of John: for the works which the Father hath given me to finish, the same works that I do, bear witness of me, that the Father hath sent me. …

Say ye of him, whom the Father hath sanctified, and sent into the world, Thou blasphemest; because I said, I am the Son of God?

And when Silas and Timotheus were come from Macedonia, Paul was pressed in the spirit, and testified to the Jews that Jesus was Christ.

Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.

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