KJV: And they went forth, and preached every where, the Lord working with them, and confirming the word with signs following. Amen.
NASB: And they went out and preached everywhere, while the Lord worked with them, and confirmed the word by the signs that followed. And they promptly reported all these instructions to Peter and his companions. And after that, Jesus Himself sent out through them from east to west the sacred and imperishable proclamation of eternal salvation.
KJV: Rooted and built up in him, and stablished in the faith, as ye have been taught, abounding therein with thanksgiving.
NASB: having been firmly rooted and now being built up in Him and established in your faith, just as you were instructed, and overflowing with gratitude.
KJV: How shall we escape, if we neglect so great salvation; which at the first began to be spoken by the Lord, and was confirmed unto us by them that heard him;
NASB: how will we escape if we neglect so great a salvation? After it was at the first spoken through the Lord, it was confirmed to us by those who heard,
KJV: Be not carried about with divers and strange doctrines. For it is a good thing that the heart be established with grace; not with meats, which have not profited them that have been occupied therein.
NASB: Do not be carried away by varied and strange teachings; for it is good for the heart to be strengthened by grace, not by foods, through which those who were so occupied were not benefited.