3:1 - Finally, brethren, pray for us, that the word of the Lord may have free course, and be glorified, even as it is with you:

Clement of Alexandria Stromata Book V
says the apostle. "And pray that we may be delivered from unreasonable and wicked men: for all men have not faith."[45]
Pope Anterus The Epistle
"Finally, brethren, pray for us, that the word of the Lord may have free course, and be glorified, even as it is with you, and that we may be delivered from unreasonable and wicked men: for all men have not faith. But the Lord is faithful, who shall stablish you, and keep you from evil."[26]

3:2 - And that we may be delivered from unreasonable and wicked men: for all men have not faith.

Hippolytus Dogmatical and Historical Fragments
If, then, the blessed (apostle) delivered these things with a pious caution, which could be easily known by all, as he perceived in the spirit that "all men have not faith,"[8]

3:4 - And we have confidence in the Lord concerning you, that all of you both do and will do the things which we command you.

Pope Anterus The Epistle
confidence in the Lord touching you, brethren, that ye both do and will do the things which we command you."[28]

3:6 - Now we command you, brethren, in the name of our Lord Jesus Christ, that all of you withdraw yourselves from every brother that walks disorderly, and not after the tradition which he received of us.

Irenaeus Against Heresies Book III
To which course many nations of those barbarians who believe in Christ do assent, having salvation written in their hearts by the Spirit, without paper or ink, and, carefully preserving the ancient tradition,[13]
Tertullian On Idolatry
Again, they say the same apostle has left a precept, according to his own example, "That each one work with his own hands for a living."[27]
Tertullian On Monogamy
sy; nor is there any other cause whence they find themselves compelled to deny the Paraclete more than the fact that they esteem Him to be the institutor of a novel discipline, and a discipline which they find most harsh: so that this is already the first ground on which we must join issue in a general handling (of the subject), whether there is room for maintaining that the Paraclete has taught any such thing as can either be charged with novelty, in opposition to catholic tradition,[5]
Tertullian On Modesty
What more disgraceful than immodesties? If, moreover, even from a "brother" who "walketh idly"[225]
Cyprian Epistle LIV
"We command you," he says, "in the name of Jesus Christ our Lord, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us."[72]
Cyprian Treatise I On the Unity of the Church
The word of the witnessing apostle is: "We command you," says he, "in the name of our Lord Jesus Christ, that ye withdraw yourselves from all brethren that walk disorderly, and not after the tradition that they have received from us."[62]
Cyprian Treatise XII Three Books of Testimonies Against the Jews
Paul to the Thessalonians: "But we have commanded you, in the name of Jesus Christ, that ye depart from all brethren who walk disorderly, and not according to the tradition which they have received from us."[713]

3:10 - For even when we were with you, this we commanded you, that if any would not work, neither should he eat.

Epistle of Ignatius to the Magnesians
Let us therefore no longer keep the Sabbath after the Jewish manner, and rejoice in days of idleness; for "he that does not work, let him not eat."[57]
Epistle of Ignatius to the Antiochians
Let no one addicted to idleness eat,[41]
Tertullian Against Marcion Book V
the vengeance, I mean the Gospel; (in other words, ) both the truth and (its accompanying) salvation. The charge, that "if any would not work, neither should he eat,"[755]
Didache
If he who cometh is a wayfarer, assist him as far as ye are able; but he shall not remain with you, except for two or three days, if need be. 3. But if he willeth to abide with you, being an artisan, let him work and eat;[114]
Constitutions of the Holy Apostles Book II
Labour therefore continually; for the blot of the slothful is not to be healed. But "if any one does not work, let not such a one eat"[283]

3:14 - And if any man obey not our word by this epistle, note that man, and have no company with him, that he may be ashamed.

Shepherd of Hermas Commandment Fourth
But I do not," said he, "give opportunity for the doing of these deeds, but that he who has sinned may sin no more. But with regard to his previous transgressions, there is One who is able to provide a cure;[7]
Tertullian On Modesty
ast? no allocution touching the future? Nay, more; he goes further, and beseeches that they "would confirm toward him affection," as if he were making satisfaction to him, not as if he were granting an indulgence! And yet I hear (him speak of) "affection," not "communion; "as (he writes) withal to the Thessalonians "But if any obey not our word through the epistle, him mark; and associate not with him, that he may feel awed; not regarding (him) as an enemy, but rebuking as a brother."[129]

3:15 - Yet count him not as an enemy, but admonish him as a brother.

Epistle of Polycarp to the Philippians
I am deeply grieved, therefore, brethren, for him (Valens) and his wife; to whom may the Lord grant true repentance! And be ye then moderate in regard to this matter, and "do not count such as enemies,"[66]