5:1 - 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.

Tertullian On Modesty
Thus He has not prohibited judging, but taught (how to do it). Whence the apostle withal judges, and that in a case of fornication,[41]
Origen Against Celsus Book VI
e Egyptians also were guilty of error, because they had indeed solemn enclosures around what they considered their temples, while within them there was nothing save apes, or crocodiles, or goats, or asps, or some other animal; but on the present occasion it pleases him to speak of the Egyptian people too as most divinely inspired, and that, too, from the earliest times,-perhaps because they made war upon the Jews from an early date. The Persians, moreover, who marry their own mothers,[402]

5:2 - And all of you are puffed up, and have not rather mourned, that he that has done this deed might be taken away from among you.

Tertullian On Modesty
[130]

5:3 - For I verily, as absent in body, but present in spirit, have judged already, as though I were present, concerning him that has so done this deed,

Tertullian On Fasting
If we also, in our diverse provinces, (but) present mutually in spirit,[96]
Dionysius Extant Fragments Part II
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,[90]

5:4 - In the name of our Lord Jesus Christ, when all of you are gathered together, and my spirit, with the power of our Lord Jesus Christ,

Cyprian Epistle XI
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.[5]
Origen Commentary on Matthew Book XIV
but there were schisms among them, upon the dissolution of which they were gathered together in company with the spirit in Paul, with the power of the Lord Jesus Christ,[21]

5:5 - 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.

Shepherd of Hermas Similitude Sixth
" "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.[9]
Fragments of Clement from the Latin Translation of Cassiodorus
" 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; "[33]
Tertullian Against Marcion Book V
that he also said, "For the destruction of the flesh, that the spirit may be saved in the day of the Lord,"[294]
Tertullian On Modesty
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,"[125]
The Epistle of Pope Urban First
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,[8]

5:6 - Your glorying is not good. Know all of you not that a little leaven leavens the whole lump?

Irenaeus Against Heresies Book IV
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."[397]
Tertullian On the Apparel of Women Book II
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"[31]
Tertullian On Modesty
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? "[136]
Five Books in Reply to Marcion
What power, the paschal image[64]

5:7 - Purge out therefore the old leaven, that all of you may be a new lump, as all of you are unleavened. For even Christ our passover is sacrificed for us:

Epistle of Ignatius to the Magnesians
when Paul and Peter were laying the foundations of the Church. Lay aside, therefore, the evil, the old, the corrupt leaven,[70]
Clement of Alexandria Stromata Book III
erede polluti, manus sibi afferentes, et homicidae propinquorum."Expurgate ergo vetus fermentum, ut sitis novo conspersio,"[215]
Clement of Alexandria Stromata Book V
, "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; "[127]
Clement of Alexandria Stromata Book VI
that is, in consequence of the knowledge[277]
Tertullian An Answer to the Jews
you slew Christ;[238]
Tertullian Against Marcion Book V
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."[296]
Hippolytus Refutation of All Heresies Book VIII
In other respects, however, these consent to all the traditions delivered to the Church by the Apostles.[42]
Hippolytus Refutation of All Heresies Book X
to have remodelled the old man[61]
Hippolytus Dogmatical and Historical Fragments
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."[438]
Cyprian Treatise II On the Dress of Virgins
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."[34]
Cyprian Treatise XII Three Books of Testimonies Against the Jews
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."[453]
Archelaus Acts of the Disputation with the Heresiarch Manes
and again, "Christ our passover is sacrificed for us; "[599]
Fragments from Peter of Alexandria
On that day, therefore, on which the Jews were about to eat the Passover in the evening, our Lord and Saviour Jesus Christ was crucified, being made the victim to those who were about to partake by faith of the mystery concerning Him, according to what is written by the blessed Paul: "For even Christ our Passover is sacrificed for us; "[29]
Origen Commentary on John Book X
" From the mouth of the Lord Himself, then, we see that there is no gainsaying our statement on this point. Some one, no doubt, will ask about the words of the Apostle, where he writes to the Corinthians:[43]

5:8 - 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.

Origen Commentary on John Book X
Another feature of the Jewish festival is unleavened bread; all leaven is made to disappear out of their houses; but "we keep the feast[47]
Origen Commentary on Matthew Book XII
" It is the mark of the clear-sighted and careful to separate the leaven of the Pharisees and Sadducees and every food that is not of "the unleavened-bread of sincerity and truth"[37]

5:9 - I wrote unto you in an epistle not to company with fornicators:

Tertullian On Modesty
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,"[220]

5:10 - Yet not altogether with the fornicators of this world, or with the covetous, or extortionists, or with idolaters; for then must all of you essentially go out of the world.

Tertullian On Idolatry
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!"[180]
Tertullian A Treatise on the Soul
) 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,"[242]
Origen Commentary on Matthew Book XII
But when shall these things happen? Shall it be when that apostolic oracle is fulfilled which says, "For we must all stand before the judgment-seat of Christ, that each one may receive the things dope in the body, according to what he has done, whether it be good or bad? "[196]

5:11 - 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 reviler, or a drunkard, or an extortionist; with such an one no not to eat.

Epistle of Ignatius to the Philadelphians
a destroyer of the vineyard of Christ. Have no fellowship[17]
Irenaeus Against Heresies Book IV
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."[395]
Clement of Alexandria The Instructor Book II
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; "[31]
Clement of Alexandria Stromata Book III
Unde prae clare Apostolus: "Scripsi," inquit, "vobis in epistola, non conversari cure fornicatoribus,"[222]
Tertullian Against Marcion Book IV
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,[237]
Tertullian To His Wife Book II
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."[24]
The Testaments of the Twelve Patriarchs III
The offerings of the Lord will ye rob, and from His portion will ye steal; and before ye sacrifice to the Lord, ye will take the choicest parts, in despitefulness eating them with harlots. Amid excesses[24]
The First Epistle of Pope Fabian
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; "[7]
The Second Epistle of Pope Fabian
Those also are to be dealt with in like manner of whom he says, "With such persons, no, not to eat; "[18]
Origen Commentary on Matthew Book XIII
But another, also attending closely to the expression, and not wishing to introduce these extraneous thoughts, nor admitting that it is spoken about every sin, will say, that he who commits those great sins is not a brother, even if he be called a brother, as the Apostle says, "If any one that is named a brother be a fornicator, or covetous, or an idolater, etc., with such an one not to eat; "[192]

5:12 - For what have I to do to judge them also that are without? do not all of you judge them that are within?

Tertullian On Modesty
. Moreover "What have I to do to judge them who are without? "[239]

5:13 - But them that are without God judges. Therefore put away from among yourselves that wicked person.

Tertullian Against Marcion Book V
and, "Thou shalt put away evil from among you."[829]
Tertullian Against Hermogenes
it will be in vain that we labour "to put away evil from the midst of us; "[107]