The Lord used parables to preach and teach His listeners. He employed stories to help in understanding certain concepts and practice of virtues. The ones listening could see themselves in these narratives, and thus they could learn more about themselves. When His enemies wanted to arrest Jesus, they plainly were guilty of being someone in the parable who wanted to murder the heir of the owner's vineyard and appropriate it to himself and his gang. But, instead of accepting this realization, they reacted against it and looked at Jesus as the culprit or the one at fault. He was only narrating a story. Their bad dispositions came to the surface. Isn't checking our attitudes helpful in becoming aware of our recklessness, pettiness, superficiality, and the evil in our hearts. Only with this awareness can the process of rectifying it be undertaken.