midnight
Keep the dagger yet . '' `` Yes ; till we meet in the Capitol of Rome ! '' A slight tap was heard at the door ; Nina regained , in an instant , her disguise . `` It is on the stroke of midnight , '' said the gaoler , appearing at the threshold . `` I come , '' said Nina . `` And thou hast to prepare thy thoughts , '' she whispered to Rienzi : `` arm all thy glorious intellect . Alas !