And this is the promise that He has promised us—eternal life.
And this is the promise that he hath promised us, even eternal life.
And this is what He Himself has promised us–the life, the eternal [life].
And this is the promise which he promised us, even the life eternal.
This is the promise that he himself gave us: eternal life.
And this is the Promise, which he himself has promised to us: Eternal Life.