Thereby, as in all the other matters, they slander God most infamously. However, we lack the time to dwell on that now.
But when they declare that even if they are not holy because of the Ten Commandments (since all Gentiles and devils are also duty-bound to keep these, or else are polluted and condemned on account of them) they still have the other laws of Moses, besides the Ten Commandments, which were given exclusively to them and not also to the Gentiles, and by which they are sanctified and singled out from all other nations — O Lord God, what a lame, loose, and vain excuse and pretext this is! If the Ten Commandments are not obeyed, what does the keeping of the other laws amount to other than mere jugglery and mummery, indeed, a veritable mockery which treats God as a fool. It is just as if an evil, devilish fellow among us were to parade about in the garb of a pope, cardinal, bishop, or pastor and observe all the precepts and the ways of these persons, but underneath this spiritual dress would be a genuine devil, a wolf, an enemy of the church, a blasphemer who trampled both the gospel and the Ten Commandments under foot and cursed and damned them. What a fine saint he would be in God's sight!
Or let us suppose that somewhere a pretty girl came along, adorned with a wreath, and observed all the manners, the duties, the deportment and discipline of a chaste virgin, but underneath was a vile, shameful whore, violating the Ten Commandments. What good would her fine obedience in observing outwardly all the duties and customs of a virgin's station do her? It would help her this much — that one would be seven times more hostile to her than to an impudent, public whore. Thus God constantly chided the children of Israel through the prophets, calling them a vile whore because, under the guise and decor of external laws and sanctity, they practiced all sorts of idolatry and villainy, as especially Hosea laments in chapter 2.