(For the life was manifested, and we have seen it, and bear witness, and show unto you that eternal life, which was with the Father, and was manifested unto us;)

And this is the promise that he has promised us, even eternal life.

Whosoever hates his brother is a murderer: and you know that no murderer has eternal life abiding in him.

And this is the witness, that God has given to us eternal life, and this life is in his Son.

These things have I written unto you that believe on the name of the Son of God; that you may know that you have eternal life, and that you may believe on the name of the Son of God.

And we know that the Son of God is come, and has given us an understanding, that we may know him that is true, and we are in him that is true, even in his Son Jesus Christ. This is the true God, and eternal life.