Ten o’clock
`` If she is betraying her husband we will avenge ourselves , '' said Auguste . There was still faith in that `` if '' . The philosophic doubt of Descartes is a politeness with which we should always honor virtue . Ten o'clock sounded . The Baron de Maulincour remembered that this woman was going to a ball that evening at a house to which he had access . He dressed , went there , and searched for her through all the salons . The mistress of the house , Madame de Nucingen , seeing him thus occupied , said : -- `` You are looking for Madame Jules ; but she has not yet come . ''