KJV: For what man knoweth the things of a man, save the spirit of man which is in him? even so the things of God knoweth no man, but the Spirit of God.
NASB: For who among men knows the thoughts of a man except the spirit of the man which is in him? Even so the thoughts of God no one knows except the Spirit of God.
KJV: Now we have received, not the spirit of the world, but the spirit which is of God; that we might know the things that are freely given to us of God.
NASB: Now we have received, not the spirit of the world, but the Spirit who is from God, so that we may know the things freely given to us by God,
KJV: Which things also we speak, not in the words which man's wisdom teacheth, but which the Holy Ghost teacheth; comparing spiritual things with spiritual.
NASB: which things we also speak, not in words taught by human wisdom, but in those taught by the Spirit, combining spiritual thoughts with spiritual words.
KJV: But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.
NASB: But a natural man does not accept the things of the Spirit of God, for they are foolishness to him; and he cannot understand them, because they are spiritually appraised.
KJV: For I verily, as absent in body, but present in spirit, have judged already, as though I were present, concerning him that hath so done this deed,
NASB: For I, on my part, though absent in body but present in spirit, have already judged him who has so committed this, as though I were present.