Book XXXI.
The scripture passage: "To the pure all things are pure, but to the impure and defiled is nothing pure; but even their mind and conscience are defiled," is discussed from both the Manichæan and the Catholic points of view, Faustus objecting to its application to his party and Augustin insisting on its application.
1. said: "To the pure all things are pure. But to the impure and defiled is nothing pure; but even their mind and conscience are defiled." As regards this verse, too, it is very doubtful whether, for your own sake, you should believe it to have been written by Paul. For it would follow that Moses and the prophets were not only influenced by devils in making so much in their laws of the distinctions in food, but also that they themselves were impure and defiled in their mind and conscience, so that the following words also might properly be applied to them: "They profess to know God, but in works deny Him." This is applicable to no one more than to Moses and the prophets, who are known to have lived very differently from what was becoming in men knowing God. Up to this time I have thought only of adulteries and frauds and murders as defiling the conscience of Moses and the prophets; but now, from what this verse says, it is plain that they were also defiled, because they looked upon something as defiled. How, then, can you persist in thinking that the vision of the divine majesty can have been bestowed on such men, when it is written that only the pure in heart can see God? Even supposing that they had been pure from unlawful crimes, this superstitious abstinence from certain kinds of food, if it defiles the mind, is enough to debar them from the sight of deity. Gone for ever, too, is the boast of Daniel, and of the three youths, who, till now that we are told that nothing is unclean, have been regarded among the Jews as persons of great purity and excellence of character, because, in observance of hereditary customs, they carefully avoided defiling themselves with Gentile food, especially that of sacrifices. Now it appears that they were defiled in mind and conscience most of all when they were closing their mouth against blood and idol-feasts.
2. But perhaps their ignorance may excuse them; for, as this Christian doctrine of all things being pure to the pure had not then appeared, they may have thought some things impure. But there can be no excuse for you in the face of Paul’s announcement, that there is nothing which is not pure, and that abstinence from certain food is the doctrine of devils, and that those who think anything defiled are polluted in their mind, if you not only abstain, as we have said, but make a merit of it, and believe that you become more acceptable to Christ in proportion as you are more abstemious, or, according to this new doctrine, as your minds are defiled and your conscience polluted. It should also be observed that, while there are three religions in the world which, though in a very different manner, appoint chastity and abstinence as the means of purification of the mind, the religions, namely, of the Jews, the Gentiles, and the Christians, the opinion that everything is pure cannot have come from any one of the three. It is certainly not from Judaism, nor from Paganism, which also makes a distinction of food; the only difference being, that the Hebrew classification of animals does not harmonize with the Pagan. Then as to the Christian faith, if you think it peculiar to Christianity to consider nothing defiled, you must first of all confess that there are no Christians among you. For things offered to idols, and what dies of itself, to mention nothing else, are regarded by you all as great defilement. If, again, this is a Christian practice, on your part, the doctrine which is opposed to all abstinence from impurities cannot be traced to Christianity either. How, then, could Paul have said what is not in keeping with any religion? In fact, when the apostle from a Jew became a Christian, it was a change of customs more than of religion. As for the writer of this verse, there seems to be no religion which favors his opinion.