They may transform later into other more complicated understandings of our world, but these things also define what it means to be us. At any one time, a specific thing within this group of ideas may be a motivation, but in total these things are general influences. They primarily define the world around us and how we can acceptably interact with it. In some religions, there is an age at which a juvenile is considered responsible. At that point he is no longer innocent and must answer for his behavior.
People are capable of being affected by the results of their behavior.
Make your mate or your friend angry with you, and you suffer because of your behavior and the resulting isolation. Injure or kill a person you don't even know, and the feelings remain with you through your entire life. We can see the consequences that our behavior will have. We can appreciate those consequences. We live with those consequences.