KJV:
Notwithstanding in this rejoice not, that the spirits are subject unto you; but rather rejoice, because your names are written in heaven.
NASB:
"Nevertheless do not rejoice in this, that the spirits are subject to you, but rejoice that your names are recorded in heaven."
KJV:
Ye are our epistle written in our hearts, known and read of all men:
NASB:
You are our letter, written in our hearts, known and read by all men;
KJV:
Forasmuch as ye are manifestly declared to be the epistle of Christ ministered by us, written not with ink, but with the Spirit of the living God; not in tables of stone, but in fleshy tables of the heart.
NASB:
being manifested that you are a letter of Christ, cared for by us, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts.