KJV: Now when they heard this, they were pricked in their heart, and said unto Peter and to the rest of the apostles, Men and brethren, what shall we do?
NASB: Now when they heard this, they were pierced to the heart, and said to Peter and the rest of the apostles, "Brethren, what shall we do?"
KJV: And when Peter saw it, he answered unto the people, Ye men of Israel, why marvel ye at this? or why look ye so earnestly on us, as though by our own power or holiness we had made this man to walk?
NASB: But when Peter saw this, he replied to the people, "Men of Israel, why are you amazed at this, or why do you gaze at us, as if by our own power or piety we had made him walk?
KJV: Saying, What shall we do to these men? for that indeed a notable miracle hath been done by them is manifest to all them that dwell in Jerusalem; and we cannot deny it.
NASB: saying, "What shall we do with these men? For the fact that a noteworthy miracle has taken place through them is apparent to all who live in Jerusalem, and we cannot deny it.
KJV: Then stood there up one in the council, a Pharisee, named Gamaliel, a doctor of the law, had in reputation among all the people, and commanded to put the apostles forth a little space;
NASB: But a Pharisee named Gamaliel, a teacher of the Law, respected by all the people, stood up in the Council and gave orders to put the men outside for a short time.
KJV: The same dealt subtilly with our kindred, and evil entreated our fathers, so that they cast out their young children, to the end they might not live.
NASB: "It was he who took shrewd advantage of our race and mistreated our fathers so that they would expose their infants and they would not survive.