 But other people may say, this person stole rice, let's give him a few more bags of rice. Then this tribe will survive even worse, because they gave this thief a reward, and then other people may die. So people who gradually come down and live are thinking that this person who stole rice should be locked up in prison. Then this becomes the concept of justice. But it itself is just a thing that evolved and remained, it is not a real thing.