Acts 26:24-26

At this point Festus interrupted Paul’s defense. “You are out of your mind, Paul!” he shouted. “Your great learning is driving you insane.” “I am not insane, most excellent Festus,” Paul replied. “What I am saying is true and reasonable. The king is familiar with these things, and I can speak freely to him. I am convinced that none of this has escaped his notice, because it was not done in a corner.