Acts 18:15 KJV
But if it be a question of words and names, and of your law, look ye to it; for I will be no judge of such matters.
Acts 18:15, King James Version
In context
14 And when Paul was now about to open his mouth, Gallio said unto the Jews, If it were a matter of wrong or wicked lewdness, O ye Jews, reason would that I should bear with you:
15 But if it be a question of words and names, and of your law, look ye to it; for I will be no judge of such matters.
16 And he drave them from the judgment seat.