In spite of Abraham’s failure to keep God’s law, God still considered him righteous. Not because of anything Abraham had done, but because he believed God’s word. That’s the miracle of saving faith - the kind of faith that comes by God’s grace and God counts as righteousness. Right(ousness) on, because of Jesus. 

On account of the grace shown to us through Jesus, God declares us “not guilty” of the sin that we are guilty of doing! Christ’s blood has paid the price for our salvation, and His blood gives us not only the hope but also the assurance that we are right with God. This declaration of being pardoned of our sin means that we are saved from sin and it’s shame, death and its consequence. We don’t have to fear it! 

God has brought us into the light so that we might let his light shine. That is what the Lord encourages us to do. This is not always easy, because the world is not looking for the light of Christ. The world is looking for our light, or the world is looking at its own light–which is really darkness. So we are to reflect the light of the glory of God which is a light in our hearts through faith.