Acts 26:11

26:11 I punished them often in all the synagogues and tried to force them to blaspheme. Because I was so furiously enraged at them, I went to persecute them even in foreign cities.

Acts 26:24

26:24 As Paul was saying these things in his defense, Festus exclaimed loudly, “You have lost your mind, Paul! Your great learning is driving you insane!”