If we are able to let go of others’ negative actions towards us, then, because of this behavior, the negative effects of our own actions cannot come back to affect us. When we are wronged and we are willing and able to let go of that hurt, this is the kind of energy we draw into our lives -- the energy of forgiveness. Hence, even though we have committed a negative action, we will not have the resulting negative energy come back to us because we are willing to let go and forgive others for anything negative that we perceive them having done to us. As a result, any negativity that is meant to return into our lives will be held back, and we will be protected.
Once you understand this teaching, you begin to limit your negative feelings and reactions towards others. Next time somebody does something hurtful towards you remind yourself, “If I am able to let go of this feeling of hurt, I am drawing upon myself a shield of protection from a negative action that I have done.” And if you continue practicing this you will find yourself beginning to see these “hurtful” circumstances as opportunities to draw protection, until it becomes second nature to let go of any type of negative reactions towards others.