six o'clock
Glen changed color and looked foolish . He could think of only one thing to say . `` At what time , sir ? '' `` You will be in by six o'clock . As you go to town and see the boys at liberty on the streets remember that if you keep up your good behavior you may soon be paroled and be as free as they . All you have to do , Glen , is to keep it up . '' As he went to put on his uniform , the hated uniform that made it so hard for him to lose himself in the crowd , Glen realized better how it was that Nixon and some of the others who had been given liberty in town had never violated their trust .