twelve o'clock
`` I wish I had your frivolity , '' murmured her brother , sinking back upon the cushions of his divan . `` I would that love , for me , were but the episode of the hour ! -- But hark ! -- twelve o'clock -- the hour for my visit to her who is at once the blessing and the curse of my life ! '' He was about to quit the room , when he heard a rustling at the secret door . `` Come in , '' said he , and the mask re-entered the room . `` You , Antonio !