Verse 15. Unto the pure all things are pure. See Barnes "Ro 14:14"; See Barnes "Ro 14:20".

There is probably an allusion here to the distinctions made in respect to meats and drinks among the Jews. Some articles of food were regarded as "clean," or allowed to be eaten; and some as "unclean," or forbidden. Paul says, that those distinctions ceased under the Christian dispensation, and that to those who had a conscience not easily troubled by nice and delicate questions about ceremonial observances, all kinds of food might be regarded as lawful and proper. Comp. See Barnes "1 Ti 4:4, See Barnes "1 Ti 4:5".

If a man habitually maintains a good conscience in the sight of God, it will be accepted of him whether he do or do not abstain from certain kinds of food. Comp. See Barnes "Col 2:16".

This passage, therefore, should not be interpreted as proving that all things are right and lawful for a Christian, or that whatever he may choose to do will be regarded as pure, but as primarily referring to distinctions in food, and meaning that there was no sanctity in eating one kind of food, and no sin in another, but that the mind was equally pure whatever was eaten. The phrase has a proverbial cast, though I know not that it was so used. The principle of the declaration is, that a pure mind -- a truly pious mind will not regard the distinctions of food and drink; of festivals, rites, ceremonies, and days, as necessary to be observed in order to promote its purity. The conscience is not to be burdened and enslaved by these things, but is to be controlled only by the moral laws which God has ordained. But there may be a somewhat higher application of the words -- that every ordinance of religion; every command of God; every event that occurs in Divine Providence, tends to promote the holiness of one who is of pure heart. He can see a sanctifying tendency in everything, and can derive from all that is commanded, and all that occurs, the means of making the heart more holy. While a depraved mind will turn every such thing to a pernicious use, and make it the means of augmenting its malignity and corruption, to the pure mind it will be the means of increasing its confidence in God, and of making itself more holy. To such a mind everything may become a means of grace.

But unto them that are defiled and unbelieving is nothing pure. Everything is made the means of increasing their depravity. No matter what ordinances of religion they observe; what distinctions of meats, or drinks, or days they regard, and what events of Providence occur, all are the occasion of augmented depravity. Such distinctions in food they make the means of fostering their pride and producing self-righteousness; the mercies of God they abuse to pamper their own lusts, and the afflictive events of Divine Providence they make the occasion of murmuring and rebellion. Naturally corrupt at heart, no ordinances of religion, and no events of Providence, make them any better, but all tend to deepen their depravity. A sentiment similar to this is found in the classic writers. Thus Seneca, Epis.98. Malus animus omnia in malum vertit, etiam quse specie optimi venerunt. So again (de Beneficiis v.12,) Quemadmodum stomachus morbo vitiatus, et colliques bilem, quoscunque acceperit cibos mutat -- ita animus ceecus quicquid illi commiseris, id onus suum, et perniciem facit.

But even their mind and conscience is defiled. It is not a mere external defilement -- a thing which they so much dread -- but a much worse kind of pollution, that which extends to the soul and the conscience. Everything which they do tends to corrupt the inner man more and more, and to make them really more polluted and abominable in the sight of God. The wicked, while they remain impenitent, are constantly becoming worse and worse. They make everything the means of increasing their depravity, and even those things which seem to pertain only to outward observances, are made the occasion of the deeper corruption of the heart.

{c} "Unto the pure" Ro 14:14,20