KJV: And desired of him letters to Damascus to the synagogues, that if he found any of this way, whether they were men or women, he might bring them bound unto Jerusalem.
NASB: and asked for letters from him to the synagogues at Damascus, so that if he found any belonging to the Way, both men and women, he might bring them bound to Jerusalem.
KJV: Behold, ye despisers, and wonder, and perish: for I work a work in your days, a work which ye shall in no wise believe, though a man declare it unto you.
NASB: 'BEHOLD, YOU SCOFFERS, AND MARVEL, AND PERISH; FOR I AM ACCOMPLISHING A WORK IN YOUR DAYS, A WORK WHICH YOU WILL NEVER BELIEVE, THOUGH SOMEONE SHOULD DESCRIBE IT TO YOU.'"
KJV: And certain men which came down from Judaea taught the brethren, and said, Except ye be circumcised after the manner of Moses, ye cannot be saved.
NASB: Some men came down from Judea and began teaching the brethren, "Unless you are circumcised according to the custom of Moses, you cannot be saved."
KJV: Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.
NASB: since they have known about me for a long time, if they are willing to testify, that I lived as a Pharisee according to the strictest sect of our religion.
KJV: For circumcision verily profiteth, if thou keep the law: but if thou be a breaker of the law, thy circumcision is made uncircumcision.
NASB: For indeed circumcision is of value if you practice the Law; but if you are a transgressor of the Law, your circumcision has become uncircumcision.