>>668298
I should expand that based beard posted comments,
>They went out from us He anticipates another objection, that the Church seemed to have produced these pests, and to have cherished them for a time in its bosom. For certainly it serves more to disturb the weak, when any one among us, professing the true faith, falls away, than when a thousand aliens conspire against us. He then confesses that they had gone out from the bosom of the Church; but he denies that they were ever of the Church. But the way of removing this objection is, to say, that the Church is always exposed to this evil, so that it is constrained to bear with many hypocrites who know not Christ, really, however much they may by the mouth profess his name.
>By saying, They went out from us, he means that they had previously occupied a place in the Church, and were counted among the number of the godly. He, however, denies that they were of them, though they had assumed the name of believers, as chaff though mixed with wheat on the same floor cannot yet be deemed wheat.
>For if they had been of us He plainly declares that those who fell away had never been members of the Church. And doubtless the seal of God, under which he keeps his own, remains sure, as Paul says, (2 Timothy 2:19.) But here arises a difficulty, for it happens that many who seemed to have embraced Christ, often fall away. To this I answer, that there are three sorts of those who profess the Gospel; there are those who feign piety, while a bad conscience reproves them within; the hypocrisy of others is more deceptive, who not only seek to disguise themselves before men, but also dazzle their own eyes, so that they seem to themselves to worship God aright; the third are those who have the living root of faith, and carry a testimony of their own adoption firmly fixed in their hearts. The two first have no stability; of the last John speaks, when he says, that it is impossible that they should be separated from the Church, for the seal which God’s Spirit engraves on their hearts cannot be obliterated; the incorruptible seed, which has struck roots, cannot be pulled up or destroyed.
>He does not speak here of the constancy of men, but of God, whose election must be ratified. He does not then, without reason declare, that where the calling of God is effectual, perseverance would be certain. He, in short, means that they who fall away had never been thoroughly imbued with the knowledge of Christ, but had only a light and a transient taste of it.
>That they might be made manifest He shews that trial is useful and necessary for the Church. It hence follows, on the other hand, that there is no just cause for perturbation. Since the Church is like a threshing-floor, the chaff must be blown away that the pure wheat may remain. This is what God does, when he casts out hypocrites from the Church, for he then cleanses it from refuse and filth.