six o’clock in the
morning
It was a strange escape . Its least details remained difficult to understand ; and , like the two shots on the Boulevard Arago , it greatly enhanced Arsene Lupin 's prestige . `` Taken all round , '' said Lupin to me , one day , after telling me the different episodes of the story , `` taken all around , no enterprise has ever given me more trouble or cost me greater exertions than that confounded adventure which , if you do n't mind , we will call , The Crystal Stopper ; or , Never Say Die . In twelve hours , between six o'clock in the morning and six o'clock in the evening , I made up for six months of bad luck , blunders , gropings in the dark and reverses . I certainly count those twelve hours among the finest and the most glorious of my life . '' `` And Gilbert ? '' I asked .