Acts 26:1-2, 24

Then Agrippa said to Paul, “You have permission to speak for yourself.” So Paul motioned with his hand and began his defense: “King Agrippa, I consider myself fortunate to stand before you today as I make my defense against all the accusations of the Jews

At this point Festus interrupted Paul’s defense. “You are out of your mind, Paul!” he shouted. “Your great learning is driving you insane.”