midnight
`` To do this , '' continued Larsagny , `` I must pretend some sudden sickness . You will have me brought to my room , and then -- '' `` Since when are the bankers and the money-brokers at night in their offices ? '' asked Carmen . `` But -- '' `` Do you mean to tell me that you have business on the Bourse at midnight ? '' `` Carmen , I swear to you that -- '' `` If you imagine that you can make me your accomplice in some crime that you are planning , you are mistaken . I will be the first one to deliver you over to the law . '' Larsagny trembled , but he tried to smile , and with a hasty _ au revoir _ he went away .