Acts 23:5 in the King James Version
Then said Paul, I wist not, brethren, that he was the high priest: for it is written, Thou shalt not speak evil of the ruler of thy people.
Context
4 Those who stood by said, “Do you malign God’s high priest?”
5 Paul said, “I didn’t know, brothers, that he was high priest. For it is written, ‘You shall not speak evil of a ruler of your people.’”
6 But when Paul perceived that the one part were Sadducees and the other Pharisees, he cried out in the council, “Men and brothers, I am a Pharisee, a son of Pharisees. Concerning the hope and resurrection of the dead I am being judged!”