What was of interest to me was that Ross includes in the book a prooftext which Aquinas was fond of using to show that the threefold division of the law into moral, civil, and ceremonial may be more than just a helpful convention. He points to Deuteronomy 6:1:
These are the commands, decrees and laws the LORD your God directed me to teach you to observe in the land that you are crossing the Jordan to possess.Ross examines the three words for "decrees," "commands" and "laws" and comes to this conclusion:
...[T]he individual Hebrew words for law do not divide the law into cast-iron categories. Even so, the [sic] Deuteronomy's use of the words sometimes makes a distinction between the Decalogue and the rest of the Mosaic code. That distinction does not force the practical-theological conclusion that the Decalogue 'doth for ever bind all'. It does, however, further challenge the view that the Old Testament law was written, and always viewed, as an indivisible whole.