KJV: Now when the high priest and the captain of the temple and the chief priests heard these things, they doubted of them whereunto this would grow.
NASB: Now when the captain of the temple guard and the chief priests heard these words, they were greatly perplexed about them as to what would come of this.
KJV: But all that heard him were amazed, and said; Is not this he that destroyed them which called on this name in Jerusalem, and came hither for that intent, that he might bring them bound unto the chief priests?
NASB: All those hearing him continued to be amazed, and were saying, "Is this not he who in Jerusalem destroyed those who called on this name, and who had come here for the purpose of bringing them bound before the chief priests?"
KJV: As also the high priest doth bear me witness, and all the estate of the elders: from whom also I received letters unto the brethren, and went to Damascus, to bring them which were there bound unto Jerusalem, for to be punished.
NASB: as also the high priest and all the Council of the elders can testify. From them I also received letters to the brethren, and started off for Damascus in order to bring even those who were there to Jerusalem as prisoners to be punished.
KJV: On the morrow, because he would have known the certainty wherefore he was accused of the Jews, he loosed him from his bands, and commanded the chief priests and all their council to appear, and brought Paul down, and set him before them.
NASB: But on the next day, wishing to know for certain why he had been accused by the Jews, he released him and ordered the chief priests and all the Council to assemble, and brought Paul down and set him before them.