Suppose you were walking along a country road and you came upon a nice little boy, named Harry, one of your neighbor's sons, and Harry was sitting hunched up on a stump, sniffling and sobbing, with tears streaming down his cheeks. Upon enquiring the cause of his trouble, you learn that a bigger boy, Jake, had taken away Harry's apple. Strictly speaking, the apple didn't belong to either of them, but Harry had spied it on the tree and after a great deal of determined effort had managed to climb out on the branch and shake it down. Then Jake came along and took it. Now, to see a little fellow sobbing with disappointment, deprived of something his heart was set on and which he had worked hard to get, is enough to arouse a feeling of sympathy in any normal and kindly person. You feel sorry for Harry and you'd like to do something for him. Suppose you happen to look along the road, just then, and you spy Jake seated on a fence rail with an air of contentment, proceeding to eat the apple--what would you feel like doing and saying to him? Suppose you controlled yourself and asked him quietly why he took that apple away from Harry, and he replied, with a defiant grin "Because I wanted it. I like apples, and this is a fine big one!" If you continue to talk quietly to Jake, and show him Harry sobbing on the stump, and make him realize the situation, as like as not it will end up by Jake's saying: "All right--if he feels as bad as that, let him have it. I didn't know he was that kind of a cry baby." And he will pass up his own inclination, rather than cause that much harm to another. That is a very primitive example which illustrates the principle in its simplest form. In the first place you are moved by sympathy and consideration for another, when you feel sorry for Harry and want to help him, and so is Jake when he is willing to forego his own desire for Harry's sake--although he lacked consideration in the first place, in taking something on which another's heart was set. Here is another example: A boy, George, is an only son and very dear to his parents, who have watched over him always with loving care. During the summer vacation, George has been invited to make a week's visit at the home of a school-mate which is in another state. The trip is a longer and more complicated one than George has ever undertaken by himself, and his mother cannot help feeling apprehensive and anxious at the thought of possible accidents and emergencies which may occur. It involves a night run on a steamboat, a railroad journey and a long automobile ride through mountainous country. The mother, not wishing to stand in the way of her boy's pleasure, gives a reluctant consent. She makes no attempt to disguise the anxiety she will feel while he is on the way, and impresses on his mind the importance of sending her a telegram, as soon as he has arrived safely at his destination. George laughs at her fears, boy-fashion, and promises to do as she wishes.