If the quarrel still persists...

If the quarrel still persists, they ask the other child to give its toy to the one who wants to borrow it for playing. They tell him that it is they who have brought the toy for him. The toy is not his property. If he still refused to give the toy to his brother, they would not love him nor bring any more toys for him. The child becomes helpless and parts with his toy. But he starts thinking that the parents are tyrannical and the brother is bad. He develops hatred in his heart for both.

He will express this hatred whenever there is an opportunity. This is quite natural that the child was thinking that the toys were his own and that none other had a right to play with them. Without his consent. He thinks that he is…