Because the Word of God is such assurance, we may place all our trust in it. And because the Word of God is such a claim, we must obey it with all our lives. Gospel and law must be differentiated. But both are forms of the same one Word of God and thus are not to be separated or seen as opposite to each other. If one speaks first of the law and only then of the gospel, one ends up in a dual difficulty. The law will be understood as an opposite to the gospel from which the gospel liberates us, and we will not be able to differentiate between what God commands and what earthly powers require.
