Law or grace?

If relationship is not the deepest truth of God's being, then the holiness of God is not a relational idea at all. And if holiness is not a description of the utter uniqueness of the trinitarian life, what is it? The door is now wide open for our idea of holiness to be filled with all manner of notions. And that is what has happened in our Western conversation. The holiness of God was detached from the relationship of the Father, Son, and Spirit, and reconceived within the world of Roman law, becoming a legal idea. Instead of holiness being a name for the incomparable love of the Father, Son, and Spirit, it became a matter of law, morality, and ethical perfection...— The Shack Revisited, page 129