one o'clock
`` This settles me with them to the end of time , I suppose , '' he said to himself . As the car ran down the drive , he straightened his shoulders with a sense of thankfulness that his practice was not often in the homes of the comparatively few people who can afford to buy even that most precious of commodities , the time of others , when that time has been consecrated to certain uses . `` Not going to stop for lunch , Doctor ? '' inquired young Caruthers anxiously , as the round of calls went on and one o'clock passed , with the Imp in a portion of the city remote from the hotel at which Burns was accustomed to refresh himself and Johnny when home was out of the question . `` We 'll go to the hospital next , and I shall be there a couple of hours . You can go and fill up then . I must be back at the office by four -- for engagements . ''