1 It is reported commonly that there is fornication among you, and such fornication as is not so much as named among the Gentiles, that one should have his father's wife. 2 And ye are puffed up, and have not rather mourned, that he that hath done this deed might be taken away from among you. 3 For I verily, as absent in body, but present in spirit, have judged already, as though I were present, concerning him that hath so done this deed, 4 In the name of our Lord Jesus Christ, when ye are gathered together, and my spirit, with the power of our Lord Jesus Christ, 5 To deliver such an one unto Satan for the destruction of the flesh, that the spirit may be saved in the day of the Lord Jesus. 6 Your glorying is not good. Know ye not that a little leaven leaveneth the whole lump? 7 Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ our passover is sacrificed for us: 8 Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness; but with the unleavened bread of sincerity and truth. 9 I wrote unto you in an epistle not to company with fornicators: 10 Yet not altogether with the fornicators of this world, or with the covetous, or extortioners, or with idolaters; for then must ye needs go out of the world. 11 But now I have written unto you not to keep company, if any man that is called a brother be a fornicator, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner; with such an one no not to eat. 12 For what have I to do to judge them also that are without? do not ye judge them that are within? 13 But them that are without God judgeth. Therefore put away from among yourselves that wicked person.
[AD 220] Tertullian on 1 Corinthians 5:1
Of course, a man of the noble courage of our apostle (to say nothing of the Holy Ghost) was afraid, when writing to the children whom he had begotten in the gospel, to speak freely of the God of the world; for against Him he could not possibly seem to have a word to say, except only in a straightforward manner! I quite admit, that, according to the Creator's law, the man was an offender" who had his father's wife." He followed, no doubt, the principles of natural and public law.

[AD 220] Tertullian on 1 Corinthians 5:1
Thus He has not prohibited judging, but taught (how to do it). Whence the apostle withal judges, and that in a case of fornication, that "such a man must be surrendered to Satan for the destruction of the flesh; " chiding them likewise because "brethren" were not "judged at the bar of the saints: " for he goes on and says, "To what (purpose is it) for me to judge those who are without? ""But you remit, in order that remission may be granted you by God.

[AD 253] Origen of Alexandria on 1 Corinthians 5:1
We learn from this that there are different kinds of immorality, some of which are more serious than others. When God judges it, he will take extenuating factors into account and vary the punishment accordingly. In this case, Paul is teaching us that even when there has been a legal marriage ceremony, if it goes against the law of God, it is immoral and will be condemned accordingly.

[AD 384] Ambrosiaster on 1 Corinthians 5:1
This person was clearly deserving of death for his crime, but those who supported him were not innocent either.

[AD 407] John Chrysostom on 1 Corinthians 5:1
When he was discoursing about their divisions, he did not indeed at once address them vehemently, but more gently at first; and afterwards, he ended in accusation, saying thus, "For it hath been signified unto me concerning you, my brethren, by them which are of the household of Chloe, that there are contentions among you." But in this place, not so; but he lays about him immediately and makes the reproach of the accusation as general as possible. For he said not, "Why did such an one commit fornication?" but, "It is reported that there is fornication among you;" that they might as persons altogether aloof from his charge take it easily; but might be filled with such anxiety as was natural when the whole body was wounded, and the Church had incurred reproach. "For no one," saith he, "will state it thus, 'such an one hath committed fornication,' but, 'in the Church of Corinthians that sin hath been committed.'"

And he said not, "Fornication is perpetrated," but, "Is reported,-such as is not even named among the Gentiles." For so continually he makes the Gentiles a topic of reproach to the believers. Thus writing to the Thessalonians, he said, "Let every one possess himself of his own vessel in sanctification, not in the passion of lust, even as the rest of the Gentiles." And to the Colossians and Ephesians, "That you should no longer walk, as the other Gentiles walk." Now if their committing the same sins was unpardonable, when they even outdid the Gentiles, what place can we find for them? tell me: "inasmuch as among the Gentiles," so he speaks, "not only they dare no such thing, but they do not even give it a name. Do you see to what point he aggravated his charge? For when they are convicted of inventing such modes of uncleanness as the unbelievers, so far from venturing on them, do not even know of, the sin must be exceeding great, beyond all words. And the clause, "among you," is spoken also emphatically; that is, "Among you, the faithful, who have been favored with so high mysteries, the partakers of secrets, the guests invited to heaven." Dost thou mark with what indignant feeling his words overflow? with what anger against all? For had it not been for the great wrath of which he was full, had he not been setting himself against them all, he would have spoken thus: "Having heard that such and such a person hath committed fornication, I charge you to punish him." But as it is he doth not so; he rather challenges all at once. And indeed, if they had written first, this is what he probably would have said. Since however so far from writing, they had even thrown the fault into the shade, on this account he orders his discourse more vehemently.

Wherefore said he not, "That he should abuse his father's wife?" The extreme foulness of the deed caused him to shrink. He hurries by it accordingly, with a sort of scrupulousness as though it had been explicitly mentioned before. And hereby again he aggravates the charge, implying that such things are ventured on among them as even to speak plainly of was intolerable for Paul. Wherefore also, as he goes on, he uses the same mode of speech, saying, "Him who hath so done this thing:" and is again ashamed and blushes to speak out; which also we are wont to do in regard of matters extremely disgraceful. And he said not, "his step-mother," but, "his father's wife;" so as to strike much more severely. For when the mere terms are sufficient to convey the charge, he proceeds with them simply, adding nothing.

[AD 220] Tertullian on 1 Corinthians 5:2
Accordingly, he could have said that to a fornicator, too, "affection" only was conceded, not "communion "as well; to an incestuous man, however, not even "affection; "whom he would, to be sure, have bidden to be banished from their midst -much more, of course, from their mind.

[AD 384] Ambrosiaster on 1 Corinthians 5:2
Paul humbles their pride, but in such a way that instead of making them angry he makes them willing to cooperate with him.

[AD 407] John Chrysostom on 1 Corinthians 5:2
And "tell me not," saith he, "that the fornicator is but one: the charge hath become common to all." Wherefore at once he added, "and ye are puffed up:" he said not, "with the sin;" for this would imply want of all reason: but with the doctrine you have heard from that person. This however he set not down himself, but left it undetermined, that he might inflict a heavier blow.

And mark the good sense of Paul. Having first overthrown the wisdom from without, and signified that it is nothing by itself although no sin were associated with it; then and not till then he discourses about the sin also. For if by way of comparison with the fornicator who perhaps was some wise one, he had maintained the greatness of his own spiritual gift; he had done no great thing: but even when unattended with sin to take down the heathen wisdom and demonstrate it to be nothing, this was indicating its extreme worthlessness indeed. Wherefore first, as I said, having made the comparison, he afterwards mentions the man's sin also.

And with him indeed he condescends not to debate, and thereby signifies the exceeding greatness of his dishonor. But to the others he saith, "You ought to weep and wail, and cover your faces, but now ye do the contrary." And this is the force of the next clause, "And ye are puffed up, and did not rather mourn."

"And why are we to weep?" some might say. Because the reproach hath made its way even unto the whole body of your Church. "And what good are we to get by our weeping?" "That such an one should be taken away from you." Not even here doth he mention his name; rather, I should say, not any where; which in all monstrous things is our usual way.

And he said not, "Ye have not rather cast him out," but, as in the case of any disease or pestilence, "there is need of mourning," saith he, "and of intense supplication, 'that he may be taken away.' And you should have used prayer for this, and left nothing undone that he should be cut off."

Nor yet doth he accuse them for not having given him information, but for not having mourned so that the man should be taken away; implying that even without their Teacher this ought to have been done, because of the notoriety of the offence.

[AD 220] Tertullian on 1 Corinthians 5:3
Come, now, if he had not "wholly saddened" so many persons in the first Epistle; if he had "rebuked" none, had "terrified" none; if he had "smitten" the incestuous man alone; if, for his cause, he had sent none into panic, had struck (no) "inflated" one with consternation,-would it not be better for you to suspect, and more believing for you to argue, that rather some one far different had been in the same predicament at that time among the Corinthians; so that, rebuked, and terrified, and already wounded with mourning, he therefore-the moderate nature of his fault permitting it-subsequently received pardon, than that you should interpret that (pardon as granted) to an incestuous fornicator? For this you had been bound to read, even if not in an Epistle, yet impressed upon the very character of the apostle, by (his) modesty more clearly than by the instrumentality of a pen: not to steep, to wit, Paul, the "apostle of Christ," the "teacher of the nations in faith and verity," the "vessel of election," the founder of Churches, the censor of discipline, (in the guilt of) levity so great as that he should either have condemned rashly one whom he was presently to absolve, or else rashly absolved one whom he had not rashly condemned, albeit on the ground of that fornication which is the result of simple immodesty, not to say on the ground of incestuous nuptials and impious voluptuousness and parricidal lust,-(lust) which he had refused to compare even with (the lusts of) the nations, for fear it should be set down to the account of custom; (lust) on which he would sit in judgment though absent, for fear the culprit should "gain the time; " (lust) which he had condemned after calling to his aid even "the Lord's power," for fear the sentence should seem human. Therefore he has trifled both with his own "spirit," and with "the angel of the Church," and with "the power of the Lord," if he rescinded what by their counsel he had formally pronounced.

[AD 220] Tertullian on 1 Corinthians 5:3
If we also, in our diverse provinces, (but) present mutually in spirit, observe those very solemnities, whose then celebration our present discourse has been defending, that is the sacramental law.

[AD 407] John Chrysostom on 1 Corinthians 5:3
"For I verily being absent in body, but present in spirit."

Mark his energy. He suffers them not even to wait for his presence, nor to receive him first and then pass the sentence of binding: but as if on the point of expelling some contagion before that it have spread itself into the rest of the body, he hastens to restrain it. And therefore he subjoins the clause, "I have judged already, as though I were present." These things moreover he said, not only to urge them unto the declaration of their sentence and to give them no opportunity of contriving something else, but also to frighten them, as one who knew what was to be done and determined there. For this is the meaning of being "present in spirit:" as Elisha was present with Gehazi, and said, "Went not my heart with thee?" Wonderful! How great is the power of the gift, in that it makes all to be together and as one; and qualifies them to know the things which are far off. "I have judged already as though I were present."

He permits them not to have any other device. "Now I have uttered my decision as if I were present: let there be no delays and puttings off: for nothing else must be done."

[AD 458] Theodoret of Cyrus on 1 Corinthians 5:3
None would expect anything else, implies Paul, once again showing how important the matter was.

[AD 532] Pseudo-Dionysius the Areopagite on 1 Corinthians 5:3
But those in the city I tried to gather together with all the greater zeal, as if I were present with them; for I was absent indeed in the body, as I said,
[AD 258] Cyprian on 1 Corinthians 5:4
That you bewail and grieve over the downfall of our brethren I know from myself, beloved brethren, who also bewail with you and grieve for each one, and suffer and feel what the blessed apostle said: "Who is weak," said he, "and I am not weak? who is offended, and I burn not? " And again he has laid it down in his epistle, saying, "Whether one member suffer, all the members suffer with it; or one member rejoice, all the members rejoice with it." I sympathize with you in your suffering and grief, therefore, for our brethren, who, having lapsed and fallen prostrate under the severity of the persecution, have inflicted a like pain on us by their wounds, inasmuch as they tear away part of our bowels with them,-to these the divine mercy is able to bring healing. Yet I do not think that there must be any haste, nor that anything must be done incautiously and immaturely, lest, while peace is grasped at, the divine indignation be more seriously incurred. The blessed martyrs have written to me about certain persons, requesting that their wishes may be examined into. When, as soon as peace is given to us all by the Lord, we shall begin to return to the Church, then the wishes of each one shall be looked into in your presence, and with your judgment.

[AD 384] Ambrosiaster on 1 Corinthians 5:4
The Corinthians were to eject this man not only by common consent among themselves but also in the power of Christ, whose deputy Paul was.

[AD 407] John Chrysostom on 1 Corinthians 5:4
Then lest he should be thought too authoritative and his speech sound rather self-willed, mark how he makes them also partners in the sentence. For having said, "I have judged," he adds, "concerning him that hath so wrought this thing, in the Name of our Lord Jesus Christ, ye being gathered together, and my spirit, with the power of our Lord Jesus Christ, to deliver such an one unto Satan."

Now what means, "In the Name of our Lord Jesus Christ?" "According to God;" "not possessed with any human prejudice."

Some, however, read thus, "Him that hath so wrought this thing in the name of our Lord Jesus Christ," and putting a stop there or a break, then subjoin what follows, saying, "When you are gathered together and my spirit to deliver such an one unto Satan:" and they assert that the sense of this reading is as follows, "Him that hath done this thing in the Name of Christ," saith St. Paul, "deliver ye unto Satan;" that is, "him that hath done insult unto the Name of Christ, him that, after he had become a believer and was called after that appellation, hath dared to do such things, deliver ye unto Satan." But to me the former exposition appears the truer.

What then is this? "When ye are gathered together in the Name of the Lord." That is; His Name, in whose behalf ye have met, collecting you together.

"And my spirit." Again he sets himself at their head in order that when they should pass sentence, they might no otherwise cut off the offender than as if he were present; and that no one might dare to judge him pardonable, knowing that Paul would be aware of the proceedings.

[AD 160] Shepherd of Hermas on 1 Corinthians 5:5
"I would know, sir," I said, "of what nature are these diverse tortures and punishments?" "Hear," he said, "the various tortures and punishments. The tortures are such as occur during life. For some are punished with losses, others with want, others with sicknesses of various kinds, and others with all kinds of disorder and confusion."

[AD 215] Clement of Alexandria on 1 Corinthians 5:5
Therefore he adds, "For this cause was the Gospel preached also to the dead" — to us, namely, who were at one time unbelievers. "That they might be judged according to men," he says, "in the flesh, but live according to God in the spirit." Because, that is, they have fallen away from faith; while they are still in the flesh they are judged according to preceding judgments, that they might repent. Accordingly, he also adds, saying, "That they might live according to God in the spirit." So Paul also; for he, too, states something of this nature when he says, "Whom I have delivered to Satan, that he might live in the spirit;" [1 Corinthians 5:5] that is, "as good stewards of the manifold grace of God." Similarly also Paul says, "Variously, and in many ways, God of old spoke to our fathers." [Hebrews 1:1]

[AD 220] Tertullian on 1 Corinthians 5:5
He followed, no doubt, the principles of natural and public law. When, however, he condemns the man "to be delivered unto Satan," he becomes the herald of an avenging God.

[AD 220] Tertullian on 1 Corinthians 5:5
It does not matter that he also said, "For the destruction of the flesh, that the spirit may be saved in the day of the Lord," since both in the destruction of the flesh and in the saving of the spirit there is, on His part, judicial process; and when he bade "the wicked person be put away from the midst of them," he only mentioned what is a very frequently recurring sentence of the Creator.

[AD 220] Tertullian on 1 Corinthians 5:5
Whence the apostle withal judges, and that in a case of fornication, that "such a man must be surrendered to Satan for the destruction of the flesh; " chiding them likewise because "brethren" were not "judged at the bar of the saints: " for he goes on and says, "To what (purpose is it) for me to judge those who are without? ""But you remit, in order that remission may be granted you by God.

[AD 220] Tertullian on 1 Corinthians 5:5
For, in fact, they suspect the Apostle Paul of having, in the second (Epistle) to the Corinthians, granted pardon to the self-same fornicator whom in the first he has publicly sentenced to be "surrendered to Satan, for the destruction of the flesh," -impious heir as he was to his father's wedlock; as if he subsequently erased his own words, writing: "But if any hath wholly saddened, he hath not wholly saddened me, but in part, lest I burden you all.

[AD 230] Pope Urban I on 1 Corinthians 5:5
And if any one do so, then, after the sharp vengeance which is due to such a crime, and which is justly to be carried out against the sacrilegious, let him be condemned to perpetual infamy, and east into prison or consigned to life-long exile. For, according to the apostle,
[AD 384] Ambrosiaster on 1 Corinthians 5:5
If this man were not thrown out, the spirit of the church would not be saved on the day of judgment, because the source of the contamination was infecting them all.

[AD 407] John Chrysostom on 1 Corinthians 5:5
Then making it yet more awful, he saith, "with the power of our Lord Jesus Christ;" that is, either that Christ is able to give you such grace as that you should have power to deliver him to the devil; or that He is Himself together with you passing that sentence against him.

And he said not, "Give up" such an one to Satan, but "deliver;" opening unto him the doors of repentance, and delivering up such an one as it were to a schoolmaster. And again it is, "such an one:" he no where can endure to make mention of his name.

"For the destruction of the flesh." As was done in the case of the blessed Job, but not upon the same ground. For in that case it was for brighter crowns, but here for loosing of sins; that he might scourge him with a grievous sore or some other disease. True it is that elsewhere he saith, "Of the Lord are we judged, when we suffer these things." But here, desirous of making them feel it more severely, he "delivereth up unto Satan." And so this too which God had determined ensued, that the man's flesh was chastised. For because inordinate eating and carnal luxuriousness are the parents of desires, it is the flesh which he chastises.

"That the spirit may be saved in the day of the Lord Jesus;" that is the soul. Not as though this were saved alone, but because it was a settled point that if that were saved, without all controversy the body too would partake in its salvation. For as it became mortal because of the soul's sinning: so if this do righteousness, that also on the other hand shall enjoy great glory.

But some maintain, that "the Spirit" is the Gracious Gift which is extinguished when we sin. "In order then that this may not happen," saith he, "let him be punished; that thereby becoming better, he may draw down to himself God's grace, and be found having it safe in that day." So that all comes as from one exercising a nurse's or a physician's office, not merely scourging nor punishing rashly and at random. For the gain is greater than the punishment: one being but for a season, the other everlasting.

And he said not simply, "That the spirit may be saved," but "in that day." Well and seasonably doth he remind them of that day in order that both they might more readily apply themselves to the cure, and that the person censured might the rather receive his words, not as it were of anger, but as the forethought of an anxious father. For this cause also he said, "unto the destruction of the flesh:" proceeding to lay down regulations for the devil and not suffering him to go a step too far. As in the instance of Job, God said, "But touch not his life."

[AD 420] Jerome on 1 Corinthians 5:5
Paul has delivered over to Satan those who had already blasphemed of their own free will.

[AD 425] Severian of Gabala on 1 Corinthians 5:5
When Paul says that this man must be delivered to Satan, he does not mean that he should be handed over to the power of the evil one. Rather, all the evils of this life, for example, diseases, sorrows, sufferings, and other circumstances, were attributed to Satan, and it is in this sense that Paul uses the term here. What he means is that this man should be exposed to the hardships of life.

[AD 428] Theodore of Mopsuestia on 1 Corinthians 5:5
This is not to be taken literally. What Paul means is that the person concerned should be put out of the church and forced to live in the world, which is ruled by Satan. That way he will learn to fear God and escape the greater punishment that is to come.

[AD 458] Theodoret of Cyrus on 1 Corinthians 5:5
We are taught by this that the devil invades those who are separated from the body of the church because he finds them deprived of grace.

[AD 202] Irenaeus on 1 Corinthians 5:6
And as then the condemnation of sinners extended to others who approved of them, and joined in their society; so also is it the case at present, that "a little leaven leaveneth the whole lump."

[AD 220] Tertullian on 1 Corinthians 5:6
Are women who think that, in furnishing to their neighbour that which is demanded of beauty, they are furnishing it to themselves also, to augment that (beauty) when (naturally) given them, and to strive after it when not (thus) given? Some one will say, "Why, then, if voluptuousness be shut out and chastity let in, may (we) not enjoy the praise of beauty alone, and glory in a bodily good? "Let whoever finds pleasure in "glorying in the flesh" see to that.

[AD 220] Tertullian on 1 Corinthians 5:6
It remains, therefore, that his meaning was, that that spirit which is accounted to exist in the Church must be presented "saved," that is, untainted by the contagion of impurities in the day of the Lord, by the ejection of the incestuous fornicator; if, that is, he subjoins: "Know ye not, that a little leaven spoileth the savour of the whole lump? " And yet incestuous fornication was not a little, but a large, leaven.

[AD 384] Ambrosiaster on 1 Corinthians 5:6
Just as the sin of one person contaminates many, if it is not dealt with once it is known, so also does the sin of the many who know what is happening and either do not turn away from it or pretend that they have not noticed it. Sin does not look like sin if it is not corrected or avoided by anybody.

[AD 407] John Chrysostom on 1 Corinthians 5:6
Then, having ended his sentence, and spoken it in brief without dwelling on it, he brings in again a rebuke, directing himself against them;

"Your glorying is not good:" signifying that it was they up to the present time who had hindered him from repenting, by taking pride in him. Next he shews that he is taking this step in order to spare not that person only, but also those to whom he writes. To which effect he adds,

"Know ye not, that a little leaven leaveneth the whole lump?" "For," saith he, "though the offence be his, yet if neglected it hath power to waste the rest of the body of the Church also. For when the first transgressor escapes punishment, speedily will others also commit the same faults."

In these words he indicates moreover that their struggle and their danger is for the whole Church, not for any one person. For which purpose he needeth also the similitude of the leaven. For "as that," saith he, "though it be but little, transforms unto its own nature the whole lump; so also this man, if he be let go unpunished and this sin turn out unavenged, will corrupt likewise all the rest."

[AD 108] Ignatius of Antioch on 1 Corinthians 5:7
This was first fulfilled in Syria; for "the disciples were called Christians at Antioch," when Paul and Peter were laying the foundations of the Church. Lay aside, therefore, the evil, the old, the corrupt leaven, and be ye changed into the new leaven of grace.

[AD 215] Clement of Alexandria on 1 Corinthians 5:7
Wherefore also Plato says, in the second book of the Republic, "It is those that sacrifice not a sow, but some great and difficult sacrifice," who ought to inquire respecting God. And the apostle writes, "Christ our passover was sacrificed for us;"-a sacrifice hard to procure, in truth, the Son of God consecrated for us.

[AD 220] Tertullian on 1 Corinthians 5:7
Which prediction was thus also fulfilled, that "on the first day of unleavened bread" you slew Christ; and (that the prophecies might be fulfilled) the day hasted to make an "eventide,"-that is, to cause darkness, which was made at mid-day; and thus "your festive days God converted into grief, and your canticles into lamentation.

[AD 220] Tertullian on 1 Corinthians 5:7
It does not matter that he also said, "For the destruction of the flesh, that the spirit may be saved in the day of the Lord," since both in the destruction of the flesh and in the saving of the spirit there is, on His part, judicial process; and when he bade "the wicked person be put away from the midst of them," he only mentioned what is a very frequently recurring sentence of the Creator. "Purge out the old leaven, that ye may be a new lump, as ye are unleavened." The unleavened bread was therefore, in the Creator's ordinance, a figure of us (Christians).

[AD 220] Tertullian on 1 Corinthians 5:7
The unleavened bread was therefore, in the Creator's ordinance, a figure of us (Christians). "For even Christ our passover is sacrificed for us." But why is Christ our passover, if the passover be not a type of Christ, in the similitude of the blood which saves, and of the Lamb, which is Christ? Why does (the apostle) clothe us and Christ with symbols of the Creator's solemn rites, unless they had relation to ourselves? When, again, he warns us against fornication, he reveals the resurrection of the flesh.

[AD 235] Hippolytus of Rome on 1 Corinthians 5:7
For in what respect, he says, would the one tittle require any substance such as leaven (derived) from without for the Lord's Passover, the eternal feast, which is given for generation upon generation?.
In other respects, however, these consent to all the traditions delivered to the Church by the Apostles.
To have remodelled the old man.
In the Passover season, so as to exhibit Himself as one destined to be sacrificed like a sheep, and to prove Himself the true Paschal-lamb, even as the apostle says, "Even Christ "who is God, "our passover was sacrificed for us."

[AD 258] Cyprian on 1 Corinthians 5:7
The voice of the warning apostle is, "Purge out the old leaven, that ye may be a new lump, as ye are unleavened; for even Christ our passover is sacrificed. Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness, but with the unleavened bread of sincerity and truth." But are sincerity and truth preserved, when what is sincere is polluted by adulterous colours, and what is true is changed into a lie by the deceitful dyes of medicaments? Your Lord says, "Thou canst not make one hair white or black; " and you, in order to overcome the word of your Lord, will be more mighty than He, and stain your hair with a daring endeavour and with profane contempt. With evil presage of the future, you make a beginning to yourself already of flame-coloured hair; and sin (oh, wickedness!) with your head-that is, with the nobler part of your body! And although it is written of the Lord, "His head and His hair were white like wool or snow," you curse that whiteness and hate that hoariness which is like to the Lord's head.

[AD 258] Cyprian on 1 Corinthians 5:7
That he who has attained to trust, having put off the former man, ought to regard only celestial and spiritual things, and to give no heed to the world which he has already renounced...

Also in the same place: "Love not the world, neither the things that are in the world. If any man loveth the world, the love of the Father is not in him. Because everything which is in the world is lust of the flesh, and lust of the eyes, and the ambition of this world, which is not of the Father, but of the lust of this world. And the world shall pass away with its lust. But he that doeth the will of God abideth for ever, even as God abideth for ever." Also in the first Epistle of Paul to the Corinthians: "Purge out the old leaven, that ye may be a new dough, as ye are unleavened. For also Christ our passover is sacrificed. Therefore let us celebrate the feast, not in the old leaven, nor in the leaven of malice and wickedness, but in the unleavened bread of sincerity and truth."

[AD 384] Ambrosiaster on 1 Corinthians 5:7
The old leaven has a double meaning here. On the one hand, it refers to false teaching, just as Jesus warned his disciples to beware the leaven of the Pharisees. On the other hand, it also refers to the sin of fornication being dealt with here. Paul teaches that the passover is the sacrifice, and not the exodus, as some people think. The sacrifice comes first, and then it is possible to make the transition from the old life to the new. For this reason it is the cross that is the saving reality signified by the passover in the Old Testament.

[AD 407] John Chrysostom on 1 Corinthians 5:7
"Purge out the old leaven," that is, this evil one. Not that he speaketh concerning this one only; rather he glances at others with him. For, "the old leaven" is not fornication only, but also sin of every kind. And he said not, "purge," but "purge out;" "cleanse with accuracy so that there be not so much as a remnant nor a shadow of that sort." In saying then, "purge out," he signifies that there was still iniquity among them. But in saying, "that ye may be a new lump, even as ye are unleavened," he affirms and declares that not over very many was the wickedness prevailing. But though he saith, "as ye are unleavened," he means it not as a fact that all were clean, but as to what sort of people you ought to be.

"For our Passover also hath been sacrificed for us, even Christ; wherefore let us keep the feast: not with old leaven, nor with the leaven of malice and wickedness, but with the unleavened bread of sincerity and truth." So also Christ called His doctrine Leaven. And further he himself dwells upon the metaphor, reminding them of an ancient history, and of the Passover and unleavened bread, and of their blessings both then and now, and their punishments and their plagues.

It is festival, therefore, the whole time in which we live. For though he said, "Let us keep the feast," not with a view to the presence of the Passover or of Pentecost did he say it; but as pointing out that the whole of time is a festival unto Christians, because of the excellency of the good things which have been given. For what hath not come to pass that is good? The Son of God was made man for thee; He freed thee from death; and called thee to a kingdom. Thou therefore who hast obtained and art still obtaining such things, how can it be less than thy duty to "keep the feast" all thy life? Let no one then be downcast about poverty, and disease, and craft of enemies. For it is a festival, even the whole of our time.

So that by means of this example also he mightily drives the fornicator out of the Church. For, saith he, so far from his presence profiting, he even doth harm, injuring the common estate of the body. For one knows not whence is the evil savor while the corrupt part is concealed, and so one imputes it to the whole. Wherefore he urges upon them strongly to "purge out the leaven, that ye may be," saith he, "a new lump, even as ye are unleavened."

"For our Passover hath been sacrificed for us even Christ." He said not, hath died, but more in point to the subject in hand, "hath been sacrificed." Seek not then unleavened bread of this kind, since neither hast thou a lamb of the same kind. Seek not leaven of this description, seeing that thine unleavened bread is not such as this.

Thus, in the case of material leaven, the unleavened might become leavened, but never the reverse; whereas here there is a chance of the direct contrary occurring. This however he has not plainly declared: and observe his good sense. In the former Epistle he gives the fornicator no hope of return, but orders that his whole life should be spent in repentance, lest he should make him less energetic through the promise. For he said not, "Deliver him up to Satan," that having repented he might be commended again unto the Church. But what saith he? "That he may be saved in the last day." For he conducts him on unto that time in order to make him full of anxiety. And what favors he intended him after the repentance, he reveals not, imitating his own Master. For as God saith, "Yet three days, and Nineveh shall be overthrown," and added not, "but if she repent she shall be saved:" so also he did not say here, "But if he repent worthily, we will 'confirm our love towards him.'" But he waits for him to do the work that so he may then receive the favor. For if he had said this at the beginning he might have set him free from the fear. Wherefore he not only does not so, but by the instance of leaven allows him not even a hope of return, but reserves him unto that day: "Purge out (so he says) the old leaven;" and, "let us not keep the feast with old leaven." But as soon as he had repented, he brought him in again with all earnestness.

But why does he call it "old?" Either because our former life was of this sort, or because that which is old is "ready to vanish away," and is unsavory and foul; which is the nature of sin.

[AD 384] Ambrosiaster on 1 Corinthians 5:8
Just as a little leaven leavens the whole lump, an evil life corrupts the whole man. Therefore Paul wants us to avoid not only evil acts but all interest in sin, so that sincerity may cleanse our lives and truth may exclude all deception.

[AD 407] John Chrysostom on 1 Corinthians 5:8
"For our Passover also hath been sacrificed for us, even Christ; wherefore let us keep the feast: not with old leaven, nor with the leaven of malice and wickedness, but with the unleavened bread of sincerity and truth." So also Christ called His doctrine Leaven. And further he himself dwells upon the metaphor, reminding them of an ancient history, and of the Passover and unleavened bread, and of their blessings both then and now, and their punishments and their plagues.

It is festival, therefore, the whole time in which we live. For though he said, "Let us keep the feast," not with a view to the presence of the Passover or of Pentecost did he say it; but as pointing out that the whole of time is a festival unto Christians, because of the excellency of the good things which have been given. For what hath not come to pass that is good? The Son of God was made man for thee; He freed thee from death; and called thee to a kingdom. Thou therefore who hast obtained and art still obtaining such things, how can it be less than thy duty to "keep the feast" all thy life? Let no one then be downcast about poverty, and disease, and craft of enemies. For it is a festival, even the whole of our time. Wherefore saith Paul, "Rejoice in the Lord always; again I say, Rejoice." Upon the festival days no one puts on filthy garments. Neither then let us do so. For a marriage hath been made, a spiritual marriage. For, "the kingdom of Heaven," saith He, "is likened unto a certain king which would make a marriage feast for his son." Now where it is a king making a marriage, and a marriage for his son, what can be greater than this feast? Let no one then enter in clad in rags. Not about garments is our discourse but about unclean actions. For if where all wore bright apparel one alone, being found at the marriage in filthy garments, was cast out with dishonor, consider how great strictness and purity the entrance into that marriage feast requires.

However, not on this account only does he remind them of the "unleavened bread," but also to point out the affinity of the Old Testament with the New; and to point out also that it was impossible, after the "unleavened bread," again to enter into Egypt; but if any one chose to return, he would suffer the same things as did they. For those things were a shadow of these; however obstinate the Jew may be. Wherefore shouldest thou enquire of him, he will speak, no great thing, rather it is great which he will speak of, but nothing like what we speak of: because he knows not the truth. For he for his part will say, "the Egyptians who detained us were so changed by the Almighty that they themselves urged and drave us out, who before held us forcibly; they did not suffer us so much as to leaven our dough." But if a man asketh me, he shall hear not of Egypt nor of Pharaoh; but of our deliverance from the deceit of demons and the darkness of the devil: not of Moses but of the Son of God; not of a Red Sea but of a Baptism overflowing with ten thousand blessings, where the "old man" is drowned.

[AD 220] Tertullian on 1 Corinthians 5:9
But now I write to you, if any is named a brother among you, (being) a fornicator, or an idolater" (for what so intimately joined?), "or a defrauder" (for what so near akin?), and so on, "with such to take no food even," not to say the Eucharist: because, to wit, withal "a little leaven spoileth the flavour of the whole lump.

[AD 384] Ambrosiaster on 1 Corinthians 5:9
Paul tells us here that he has already written to the Corinthians once. Because they failed to take action then, he is now writing a second time.

[AD 407] John Chrysostom on 1 Corinthians 5:9-11
For since he had said, "Ye have not rather mourned, that such an one should be taken away;" and, "Purge out the old leaven;" and it was likely that they would surmise it to be their duty to avoid all fornicators: for if he that has sinned imparts some of his own mischief to those who have not sinned, much more is it meet to keep one's self away from those without: (for if one ought not to spare a friend on account of such mischief arising from him, much less any others;) and under this impression, it was probable that they would separate themselves from the fornicators among the Greeks also, and the matter thus turning out impossible, they would have taken it more to heart: he used this mode of correction, saying, "I wrote unto you to have no company with fornicators, yet not altogether with the fornicators of this world:" using the word "altogether," as if it were an acknowledged thing. For that they might not think that he charged not this upon them as being rather imperfect, and should attempt to do it under the erroneous impression that they were perfect, he shews that this were even impossible to be done, though they wished it ever so much. For it would be necessary to seek another world. Wherefore he added, "For ye must needs then go out of the world." Seest thou that he is no hard master, and that in his legislation he constantly regards not only what may be done, but also what may be easily done. For how is it possible, says he, for a man having care of a house and children, and engaged in the affairs of the city, or who is an artisan or a soldier, (the greater part of mankind being Greeks,) to avoid the unclean who are to be found every where? For by "the fornicators of the world," he means those who are among the Greeks. "But now I write unto you, If any brother" be of this kind, "with such an one no not to eat." Here also he glances at others who were living in wickedness.

But how can one "that is a brother" be an idolater? As was the case once in regard to the Samaritans who chose piety but by halves. And besides he is laying down his ground beforehand for the discourse concerning things offered in sacrifice to idols, which after this he intends to handle.

"Or covetous." For with these also he enters into conflict. Wherefore he said also, "Why not rather take wrong? Why not rather be defrauded? Nay, ye yourselves do wrong and defraud."

"Or a drunkard." For this also he lays to their charge further on; as when he says, "One is hungry and another is drunken:" and, "meats for the belly and the belly for meats."

"Or a reviler, or an extortioner:" for these too he had rebuked before.

[AD 458] Theodoret of Cyrus on 1 Corinthians 5:9
Paul is not referring to another letter but to this one, for he has just said that a little leaven leavens the whole lump.

[AD 220] Tertullian on 1 Corinthians 5:10
No doubt he used to please them by celebrating the Saturnalia and New-year's day! [Was it so] or was it by moderation and patience? by gravity, by kindness, by integrity? In like manner, when he is saying, "I have become all things to all, that I may gain all," does he mean "to idolaters an idolater? ""to heathens a heathen? ""to the worldly worldly? "But albeit he does not prohibit us from having our conversation with idolaters and adulterers, and the other criminals, saying, "Otherwise ye would go out from the world," of course he does not so slacken those reins of conversation that, since it is necessary for us both to live and to mingle with sinners, we may be able to sin with them too.

[AD 220] Tertullian on 1 Corinthians 5:10
All waves thereof whatsoever suffocate; every eddy thereof sucks down unto Hades. Let no one say, "Who will so safely foreguard himself? We shall have to go out of the world!" As if it were not as well worth while to go out, as to stand in the world as an idolater! Nothing can be easier than caution against idolatry, if the fear of it be our leading fear; any "necessity" whatever is too trifling compared to such a peril.

[AD 220] Tertullian on 1 Corinthians 5:10
Thus our "adversary" (therein mentioned ) is the heathen man, who is walking with us along the same road of life which is common to him and ourselves. Now "we must needs go out of the world," if it be not allowed us to have conversation with them.

[AD 253] Origen of Alexandria on 1 Corinthians 5:10
Immoral unbelievers cannot harm the church, but immoral believers corrupt it from within, which is why they must be avoided and expelled.

[AD 384] Ambrosiaster on 1 Corinthians 5:10
Paul means that it would be better to die than to mix with fellow believers who sin like the fornicator in question, because death would put an end to it sooner rather than later.

[AD 108] Ignatius of Antioch on 1 Corinthians 5:11
If any one walks according to a strange opinion, he is not of Christ, nor a partaker of His passion; but is a fox, a destroyer of the vineyard of Christ. Have no fellowship with such a man, lest ye perish along with him, even should he be thy father, thy son, thy brother, or a member of thy family.

[AD 202] Irenaeus on 1 Corinthians 5:11
And we have the precept: "If any man that is called a brother be a fornicator, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner, with such an one no not to eat."

[AD 215] Clement of Alexandria on 1 Corinthians 5:11
Thus the apostle, in his solicitude for us, discriminates in the case of entertainments, saying, that "if any one called a brother be found a fornicator, or an adulterer, or an idolater, with such an one not to eat;" neither in discourse or food are we to join, looking with suspicion on the pollution thence proceeding, as on the tables of the demons.

[AD 220] Tertullian on 1 Corinthians 5:11
Since, however, he quotes with especial care, as a proof in his domain, a certain companion in misery (suntalai/pwron), and associate in hatred (summisou/menon), with himself, for the cure of leprosy, I shall not be sorry to meet him, and before anything else to point out to him the force of the law figuratively interpreted, which, in this example of a leper (who was not to be touched, but was rather to be removed from all intercourse with others), prohibited any communication with a person who was defiled with sins, with whom the apostle also forbids us even to eat food, forasmuch as the taint of sins would be communicated as if contagious: wherever a man should mix himself with the sinner.

[AD 220] Tertullian on 1 Corinthians 5:11
If these things are so, it is certain that believers contracting marriages with Gentiles are guilty of fornication, and are to be excluded from all communication with the brotherhood, in accordance with the letter of the apostle, who says that "with persons of that kind there is to be no taking of food even." Or shall we "in that day" produce (our) marriage certificates before the Lord's tribunal, and allege that a marriage such as He Himself has forbidden has been duly contracted? What is prohibited (in the passage just referred to) is not "adultery; "It is not "fornication.

[AD 250] Fabian of Rome on 1 Corinthians 5:11
In like manner keep yourselves separate from all those of whom the apostle makes mention when he says, "with such persons, no, not to eat; ".
Those also are to be dealt with in like manner of whom he says, "With such persons, no, not to eat; "
[AD 384] Ambrosiaster on 1 Corinthians 5:11
Note that none of this applies to relations with unbelievers.

[AD 458] Theodoret of Cyrus on 1 Corinthians 5:11
Obviously if we are not to eat ordinary food with such people, we are not to admit them to the Lord’s table either.

[AD 220] Tertullian on 1 Corinthians 5:12
Whence the apostle withal judges, and that in a case of fornication, that "such a man must be surrendered to Satan for the destruction of the flesh; " chiding them likewise because "brethren" were not "judged at the bar of the saints: " for he goes on and says, "To what (purpose is it) for me to judge those who are without? ""But you remit, in order that remission may be granted you by God.

[AD 220] Tertullian on 1 Corinthians 5:12
Dogs, sorcerers, fornicators, murderers, out!" -of course, such as do not act according to the precepts; for to be sent out is the portion of those who have been within. Moreover "What have I to do to judge them who are without? " had preceded (the sentences now in question).

[AD 384] Ambrosiaster on 1 Corinthians 5:12
A bishop cannot do anything about unbelievers. But a brother who is caught doing such things he can bar not only from the sacraments but also from common intercourse with his fellows, so that when he is avoided he may feel ashamed and repent.

[AD 407] John Chrysostom on 1 Corinthians 5:12
Next he adds also the reason why he forbids them not to mix with heathens of that character, implying that it is not only impossible, but also superfluous.

"For what have I to do with judging them that are without?" Calling the Christians and the Greeks, "those within" and "those without," as also he says elsewhere, "He must also have a good report of them that are without." And in the Epistle to the Thessalonians he speaks the same language, saying, "Have no intercourse with him to the end that he may be put to shame." And, "Count him not as an enemy, but admonish him as a brother." Here, however, he does not add the reason. Why? Because in the other case he wished to soothe them, but in this, not so. For the fault in this case and in that was not the same, but in the Thessalonians it was less. For there he is reproving indolence; but here fornication and other most grievous sins. And if any one wished to go over to the Greeks, he hinders not him from eating with such persons; this too for the same reason. So also do we act; for our children and our brethren we leave nothing undone, but of strangers we do not make much account. How then? Did not Paul care for them that were without as well? Yes, he cared for them; but it was not till after they received the Gospel and he had made them subject to the doctrine of Christ, that he laid down laws for them. But so long as they despised, it was superfluous to speak the precepts of Christ to those who knew not Christ Himself.

"Do not ye judge them that are within, whereas them that are without, God judgeth?" For since he had said, "What have I to do with judging those without;" lest any one should think that these were left unpunished, there is another tribunal which he sets over them, and that a fearful one. And this he said, both to terrify those, and to console these; intimating also that this punishment which is for a season snatches them away from that which is undying and perpetual.

[AD 220] Tertullian on 1 Corinthians 5:13
It does not matter that he also said, "For the destruction of the flesh, that the spirit may be saved in the day of the Lord," since both in the destruction of the flesh and in the saving of the spirit there is, on His part, judicial process; and when he bade "the wicked person be put away from the midst of them," he only mentioned what is a very frequently recurring sentence of the Creator.

[AD 220] Tertullian on 1 Corinthians 5:13
"Have no fellowship with the unfruitful works of darkness; " for (in the Psalm it is written, ) "With the holy man thou shalt be holy, and with the perverse thou shalt be perverse; " and, "Thou shalt put away evil from among you." Again, "Go ye out from the midst of them; touch not the unclean thing; separate yourselves, ye that bear the vessels of the Lord.

[AD 220] Tertullian on 1 Corinthians 5:13
But, as the argument now stands, since what is eternal can be deemed evil, the evil must prove to be invincible and insuperable, as being eternal; and in that case it will be in vain that we labour "to put away evil from the midst of us; " in that case, moreover, God vainly gives us such a command and precept; nay more, in vain has God appointed any judgment at all, when He means, indeed, to inflict punishment with injustice.

[AD 253] Origen of Alexandria on 1 Corinthians 5:13
Do all you can to expel the wicked person, for once he is gone, Christ will dwell in you.

[AD 407] John Chrysostom on 1 Corinthians 5:13
"Put away from among yourselves the wicked person." He used an expression found in the Old Testament, partly hinting that they too will be very great gainers, in being freed as it were from some grievous plague; and partly to shew that this kind of thing is no innovation, but even from the beginning it seemed good to the legislator that such as these should be cut off. But in that instance it was done with more severity, in this with more gentleness. On which account one might reasonably question, why in that case he conceded that the sinner should be severely punished and stoned, but in the present instance not so; rather he leads him to repentance. Why then were the lines drawn in the former instance one way and in the latter another? For these two causes: one, because these were led into a greater trial and needed greater long-suffering; the other and truer one, because these by their impunity were more easily to be corrected, coming as they might to repentance; but the others were likely to go on to greater wickedness. For if when they saw the first undergoing punishment they persisted in the same things, had none at all been punished, much more would this have been their feeling. For which reason in that dispensation death is immediately inflicted upon the adulterer and the manslayer; but in this, if through repentance they are absolved, they have escaped the punishment. However, both here one may see some instances of heavier punishment, and in the Old Testament some less severe, in order that it may be signified in every way that the covenants are akin to each other, and of one and the same lawgiver: and you may see the punishment following immediately both in that covenant and in this, and in both often after a long interval. Nay, and oftentimes not even after a long interval, repentance alone being taken as satisfaction by the Almighty. Thus in the Old Testament, David, who had committed adultery and murder, was saved by means of repentance; and in the New, Ananias, who withdrew but a small portion of the price of the land, perished together with his wife. Now if these instances are more frequent in the Old Testament, and those of the contrary kind in the New, the difference of the persons produces the difference in the treatment adopted in such matters.