About four o’clock
They relapsed into silence . Eugenie drew her stitches with a uniform motion which revealed to an observer the teeming thoughts of her meditation . The first desire of the girl 's heart was to share her cousin 's mourning . About four o'clock an abrupt knock at the door struck sharply on the heart of Madame Grandet . `` What can have happened to your father ? '' she said to her daughter . Grandet entered joyously .