Acts 26:24-25

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!” 26:25 But Paul replied, “I have not lost my mind, most excellent Festus, but am speaking true and rational words.

Acts 26:32

26:32 Agrippa said to Festus, “This man could have been released if he had not appealed to Caesar.”