Our Obedience and God’s Price
St. Paul says God’s strength is “made perfect in weakness” ( 2 Cor 12:9). Because of God’s will, our bodies should be sacrifices, to declare our obedience, and not to pay for eternal death. God has another price for that: the death of His own Son.”
— Apology of the Augsburg Confession, Article XIIB.63; Concordia, p. 181.