KJV:
For we know that the law is spiritual: but I am carnal, sold under sin.
NASB:
For we know that the Law is spiritual, but I am of flesh, sold into bondage to sin.
KJV:
And I, brethren, could not speak unto you as unto spiritual, but as unto carnal, even as unto babes in Christ.
NASB:
And I, brethren, could not speak to you as to spiritual men, but as to men of flesh, as to infants in Christ.
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.