Matthew 18:17

That is, to those that are over the Church. Yet the Lord enjoins nothing of this sort to be observed towards those who are without the Church, such as He does in reproving a brother. Of those that are without He says. If any smite thee on the one cheek, offer to him the other also. (Mat. 5:39.) as Paul speaks, What have I to do to judge them that are without? (1 Cor. 5:12.) But brethren he bids us reprove, and turn away from.

If yet he will not hear them, then it must be told to many, that he may be held in abhorrence; so that he who could not be saved by his own sense of shame, may be saved by public disgrace; whence it follows, If he will not hear them, tell it to the Church. That He says, As a heathen and a publican, shows that he is to be more abhorred, who under the name of a believer does the deeds of an unbeliever, than those that are openly gentiles. Those He calls publicans, who pursue worldly gain, and levy contributions by trading, cheating, and villainous frauds, and perjuries.

(Serm. 82, 7.) That is, regard him no longer in the number of thy brethren. Though even thus we are not to neglect his salvation; for the heathens themselves, that is, the gentiles and pagans, we do not indeed regard in the number of our brethren, yet we ever seek their salvation.

(ap. Anselm.) Or, tell it to the whole Church, that his infamy may be the greater. After all these things follows excommunication, which ought to be inflicted by the mouth of the Church, that is, by the Priest, and when he excommunicates, the whole Church works with him; as it follows, And if he will not hear the Church, let him by unto thee as an heathen, and a publican.

Let us look well whether this precept extends to all sin; for what if any one sin any of those sins which are unto death, such as unnatural crimes, adultery, homicide, or effeminacy, it cannot be meant that such as these are to be admonished privately, and if he hear you, forthwith to say that you have gained him. And not rather first put him out of the Church, or only when remaining obstinate after monition before witnesses, and by the Church? One man, looking at the infinite mercy of Christ, will say, that since the words of Christ make no distinction of sins, it is to go against Christ's mercy to limit His words only to little sins. Another, on the other hand, considering the words carefully, will aver, that they are not spoken of every sin; for that he that is guilty of those great sins is not a brother, but is called a brother, with whom, according to the Apostle, we ought not so much as to eat. But as they who expound this as referring to every sin give encouragement to the careless to sin; so, on the other hand, he, who teaches that one having sinned in little sins and such as are not deadly, is, when he has spurned the admonition of the witnesses and the Church, to be held as a heathen and a publican, seems to introduce too great severity. For whether he finally perishes, we are not able to decide. First, because he who has been thrice told of his fault and not hearkened, may hearken the fourth time; secondly, because sometimes a man does not receive according to his deeds, but beyond his trespass, which is good for him in this world; lastly, because He said not alone, Let him be as a heathen, but Let him be to thee. Whosoever then when reproved three times in a light trespass, does not amend, him we ought to hold for a heathen and a publican, avoiding him, that he may be brought to confusion. But whether he is esteemed of God also as a heathen and a publican, is not ours to decide, but is in the judgment of God.