Heart quality is something which must be developed within oneself; and when no attention is given at the time of youth to developing that particular quality, what happens when a person is grown-up? He will be selfish, proud, mannerless and not ready to sacrifice. He believes that these characteristics guard his interest best, and one calls such a person a man or common sense or a practical man. But if everybody were like that, what could one expect of life except constant conflict as there is today?