KJV: Paul, an apostle of Jesus Christ by the will of God, and Timothy our brother, unto the church of God which is at Corinth, with all the saints which are in all Achaia:
NASB: Paul, an apostle of Christ Jesus by the will of God, and Timothy our brother, To the church of God which is at Corinth with all the saints who are throughout Achaia:
KJV: Who comforteth us in all our tribulation, that we may be able to comfort them which are in any trouble, by the comfort wherewith we ourselves are comforted of God.
NASB: who comforts us in all our affliction so that we will be able to comfort those who are in any affliction with the comfort with which we ourselves are comforted by God.
KJV: And I wrote this same unto you, lest, when I came, I should have sorrow from them of whom I ought to rejoice; having confidence in you all, that my joy is the joy of you all.
NASB: This is the very thing I wrote you, so that when I came, I would not have sorrow from those who ought to make me rejoice; having confidence in you all that my joy would be the joy of you all.