KJV: And they, when they had testified and preached the word of the Lord, returned to Jerusalem, and preached the gospel in many villages of the Samaritans.
NASB: So, when they had solemnly testified and spoken the word of the Lord, they started back to Jerusalem, and were preaching the gospel to many villages of the Samaritans.
KJV: And as concerning that he raised him up from the dead, now no more to return to corruption, he said on this wise, I will give you the sure mercies of David.
NASB: "As for the fact that He raised Him up from the dead, no longer to return to decay, He has spoken in this way: 'I WILL GIVE YOU THE HOLY and SURE blessings OF DAVID.'
KJV: And there abode three months. And when the Jews laid wait for him, as he was about to sail into Syria, he purposed to return through Macedonia.
NASB: And there he spent three months, and when a plot was formed against him by the Jews as he was about to set sail for Syria, he decided to return through Macedonia.