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Matthew 7:15. But beware of false prophets These words were intended to teach, that the Church would be exposed to various impositions, and that consequently many would be in danger of falling from the faith, if they were not carefully on their guard. We know what a strong propensity men have to falsehood, so that they not only have a natural desire to be deceived, but each individual appears to be ingenious in deceiving himself. Satan, who is a wonderful contriver of delusions, is constantly laying snares to entrap ignorant and heedless persons. It was a general expectation among the Jews that, under the reign of Christ, their condition would be delightful, and free from all contest or uneasiness. He therefore warns his disciples that, if they desire to persevere, they must prepare themselves to avoid the snares of Satan. It is the will of the Lord, (as has been already said,) that his Church shall be engaged in uninterrupted war in this world. That we may continue to be his disciples to the end, it is not enough that we are merely submissive, and allow ourselves to be governed by his Word. Our faith, which is constantly attacked by Satan, must be prepared to resist.

It is of the greatest consequence, undoubtedly, that we should suffer ourselves to be directed by good and faithful ministers of Christ: but as false teachers, on the other hand, make their appearance, if we do not carefully watch, and if we are not fortified by perseverance, we shall be easily carried off from the flock. To this purpose also is that saying of Christ:

“The sheep hear the voice of the shepherd; and a stranger
they do not follow, but flee from him,” (John 10:3, 5)

Hence too we infer, that there is no reason why believers should be discouraged or alarmed, when wolves creep into the fold of Christ, when false prophets endeavor to corrupt the purity of the faith by false doctrines. They ought rather to be aroused to keep watch: for it is not without reason that Christ enjoins them to be on their guard. Provided that we are not led astray through our own sluggishness, we shall be able to avoid every kind of snares; and, indeed, without this confidence, we would not have the courage necessary for being on our guard. Now that we know that the Lord will not fail to perform his promises, whatever may be the attacks of Satan, let us go boldly to the Lord, asking from him the Spirit of wisdom, by whose influences he not only seals on our hearts the belief of his truth, but exposes the tricks and impositions of Satan, that we may not be deceived by them. When Christ says, that they come to us in sheep’s clothing, but inwardly are ravening wolves, his meaning is, that they do not want a very plausible pretense, if prudence be not exercised in subjecting them to a thorough examination.

16. From their fruits you shall know them Had not this mark of distinction been added, we might have called in question the authority of all teachers without exception. If there is a mortal danger to be dreaded in teachers, and if we see no way of avoiding it, we shall be under the necessity of holding them all suspected: and there will be no better or shorter method than to keep our ears shut against them all. We see that ungodly men, to screen themselves when rejecting every kind of doctrine, hold out this danger, and that weak and ill-informed persons remain in a state of perplexity. That our reverence for the Gospel, and for its faithful ministers and teachers, may not be diminished, Christ enjoins us to form our opinion of the false prophets from their fruits It is with a very bad grace that the Papists, in order to excite hatred against us, quote directly this exhortation of Christ, Beware of false prophets, and by their clamors induce ignorant people to avoid us, without knowing why. But whoever desires to follow our Lord’s advice must judge wisely and with just discretion. For ourselves, we not only acknowledge freely that men ought to beware of false prophets, but we carefully and earnestly exhort simple people to beware of them. Only we warn them that, agreeably to the rule which Christ has laid down, they should first make a strict examination, that simple people may not reject the pure Word of God, and suffer the punishment of their own rashness. There is a wide difference between wise caution and perverse squeamishness.⁴⁷⁶⁴⁷⁶     “Il y a grande difference entre une bonne facon de se donner garde d'estre trompe, et un deboutement temeraire sans savoir pourquoy.” — “There is a great difference between a proper method of guarding against being deceived, and a hasty rejection without knowing, why.” It is a heinous wickedness in the Papists to repeal the command of Christ, by infusing into unhappy persons an unfounded dread,⁴⁷⁷⁴⁷⁷     “Par une vaine crainte, qu'ils leur proposent;” — “by a vain dread which they hold out to them.” which deters them from making inquiry. Let this be regarded by us as a first principl that those who tremblingly reject or avoid a doctrine unknown to them, act improperly, and are very far from obeying the command of Christ.

It now remains to be seen, what are the fruits which Christ points out. Those who confine them to the life are, in my opinion, mistaken. As pretended sanctity, and I know not what masks belonging to greater austerity of life, are frequently held out by some of the worst impostors, this would be a very uncertain test. Their hypocrisy, I do own, is at length discovered; for nothing is more difficult than to counterfeit virtue. But Christ did not intend to submit his doctrine to a decision so unjust in itself, and so liable to be misunderstood, as to have it estimated by the life of men. Under the fruits the manner of teaching is itself included, and indeed holds the chief place: for Christ proves that he was sent by God from this consideration, that

“he seeketh not his own glory,
but the glory of the Father who sent him,” (John 7:18.)

Is it objected, that few persons are endued with such acuteness, as to distinguish good fruits from bad? I answer, as I have already said: Believers are never deprived of the Spirit of wisdom, where his assistance is needful, provided they distrust themselves, renounce their own judgment, and give themselves up wholly to his direction. Let us remember, however, that all doctrines must be brought to the Word of God as the standard, and that, in judging of false prophets, the rule of faith holds the chief place. We must also consider what God enjoins on his prophets and the ministers of his word: for in this way their faithfulness may be easily ascertained. If, for example, we place before our minds what Paul requires in bishops, (1 Timothy 3:1-7; Titus 1:6-9,) that description will be sufficient of itself to condemn the whole mass of Popery: for the Popish priests seem as if they purposely intended to present an opposite picture. There is no reason to wonder, therefore, if they forbid men to form a judgment of false prophets. But this passage clearly shows, that their titles ought to go for nothing, and that not much regard ought to be had even to their calling, if those who receive the name of pastors, and are called to the office of teachers, do not faithfully answer to their charge.

Do men gather grapes from thorns, or figs from thistles? By these proverbs, which were then in common use and universally received, Christ confirms his statement, that no man can be deceived by false prophets, unless he is wilfully blind: for the fruits as plainly discover upright servants of God, and unfaithful workmen, as the fruits point out the nature of the tree.

Matthew 7:21. Not every one that saith to me, Lord, Lord. Christ extends his discourse farther: for he speaks not only of false prophets, who rush upon the flock to tear and devour, but of hirelings, who insinuate themselves, under fair appearances, as pastors, though they have no feeling of piety.⁴⁷⁸⁴⁷⁸     “Combien qu'au dedans ils n'ayent point d'affection de crainte de Dieu;” — “though at bottom they have no feeling of the fear of God.” This doctrine embraces all hypocrites, whatever may be their rank or station, but at present he refers particularly to pretended teachers,⁴⁷⁹⁴⁷⁹     “Les docteurs feints et doubles;” — “reigned and deceitful teachers.” who seem to excel others. He not only directs his discourse to them, to rouse them from the indifference, in which they lie asleep like drunk people, but also warns believers, not to estimate such masks beyond their proper value. In a word, he declares that, so soon as the doctrine of the Gospel shall have begun to bear fruit by obtaining many disciples, there will not only be very many of the common people who falsely and hypocritically submit to it, but even in the rank of pastors there will be the same treachery, so that they will deny by their actions and life what they profess with the mouth.⁴⁸⁰⁴⁸⁰     “Ce qu'ils enseignent et confessent de bouche;” — “what they teach and confess with the mouth.” Whoever then desires to be reckoned among the disciples, must labor to devote himself, sincerely and honestly, to the exercises of a new life.

In the Gospel of Luke, it is a general reproof: Why call you me Lord, Lord, and do not the things which I say? But as this corruption proceeds, for the most part, from pretended teachers, and easily finds its way from them into the whole body, so, according to Matthew, our Lord expressly attacks them. To do the will of the Father not only means, to regulate their life and manners, (as philosophers talked⁴⁸¹⁴⁸¹     “Comme les philosophes ont voulu enselgner le monde;” — “as the philosophers wished to teach the world.” ) by the rule of virtues, but also to believe in Christ, according to that saying,

“This is the will of him that sent me, that every one which seeth the Son, and believeth on him, may have everlasting life,”
(John 6:40.)

These words, therefore, do not exclude faith, but presuppose it as the principle from which other good works flow.

22. Many will say to me Christ again summons hypocrites to his judgment-seat, as we showed a little ago from Luke. So long as they hold a place in his Church, they both flatter themselves and deceive others. He therefore declares, that a day is coming, when he will cleanse his barn, and separate the chaff and straw from the pure wheat. To prophesy in the name of Christ is, to discharge the office of teacher by his authority, and, as it were, under his direction. Prophecy is here, I think, taken in a large sense, as in the fourteenth chapter of the Epistle to the Corinthians. He might have simply used the word preach, but purposely employed the more honorable appellation, in order to show more clearly, that an outward profession is nothing, whatever may be its brilliancy in the eyes of men. To do wonderful works in the name of Christ is nothing else than to perform miracles by his power, authority, command, and direction: for, though the word ὁμολογήσω, powers, is sometimes confined to one class of miracles, yet in this and many other passages it denotes every kind of miracles.

23. And then will I confess to them⁴⁸²⁴⁸²     “Et lors je leur diray ouvertement;” — “and then will I openly say to them.” By using the word ὁμολογήσω, I will confess,⁴⁸³⁴⁸³     “Le mot Grec dont use l'Evangeliste signifie proprement, Je leur confesseray;” — “the Greek word, which the Evangelist uses, literally signifies ‘I will confess to them.’“ Christ appears to allude to the vain boasting, by which hypocrites now vaunt themselves. “They indeed have confessed me with the tongue, and imagine that they have fully discharged their duty. The confession of my name is now heard aloud from their tongue. But I too will confess on the opposite side, that their profession is deceitful and false.” And what is contained in Christ’s confession? That he never reckoned them among his own people, even at the time when they boasted that they were the pillars of the church.

Depart from me. He orders those persons to go out from his presence, who had stolen, under a false title, an unjust and temporary possession of his house. From this passage in our Lord’s discourse Paul seems to have taken what he says to Timothy,

The Lord knoweth who are his: and, let every one who calleth on the name of Christ depart from iniquity, (2 Timothy 2:19.)

The former clause is intended to prevent weak minds from being alarmed or discouraged by the desertion of those who had a great and distinguished reputation:⁴⁸⁴⁴⁸⁴     “D’aucuns qui auront en grand bruit, et auront este fort estimez;”— “of any who shall have made great noise, and shall have been greatly esteemed.” for he declares that they were disowned by the Lord, though by a vain show they captivated the eyes of men. He then exhorts all those who wish to be reckoned among the disciples of Christ, to withdraw early from iniquity, that Christ may not drive them from his presence, when he shall “separate the sheep from the goats,” (Matthew 25:33.)