KJV: Having then gifts differing according to the grace that is given to us, whether prophecy, let us prophesy according to the proportion of faith;
NASB: Since we have gifts that differ according to the grace given to us, each of us is to exercise them accordingly: if prophecy, according to the proportion of his faith;
KJV: But now hath he obtained a more excellent ministry, by how much also he is the mediator of a better covenant, which was established upon better promises.
NASB: But now He has obtained a more excellent ministry, by as much as He is also the mediator of a better covenant, which has been enacted on better promises.