Acts 26:25 in the World English Bible
But he said, “I am not crazy, most excellent Festus, but boldly declare words of truth and reasonableness.
Context
24 And as he thus spake for himself, Festus said with a loud voice, Paul, thou art beside thyself; much learning doth make thee mad.
25 But he said, I am not mad, most noble Festus; but speak forth the words of truth and soberness.
26 For the king knoweth of these things, before whom also I speak freely: for I am persuaded that none of these things are hidden from him; for this thing was not done in a corner.