"Suppose you were to try the experiment of beginning by smiling when you go by and saying, pleasantly, 'Good-morning, Mr. Keener?' Then next day, even if he chased you away the first time, you might say, 'Isn't this a lovely morning, Mr. Keener?' and you could always make a point of saying something pleasant to him when you go by. Then some day when it is raining or too cold for him to sit in his doorway----"