About four o'clock
Mr. Brooke shook his head , but made no rejoinder . Privately he thought Lesley foolishly mistaken , but believed that time would do its usual office in correcting the mistakes of the young . His own incredulity received a considerable shock somewhat later in the day . About four o'clock a knock came to his study , and the knock was followed by the appearance of the sour-visaged Sarah . `` If you please , sir , there 's that woman herself wants to see you . '' `` What woman , Sarah ? '' said Caspar , carelessly .