1:4 - So that we ourselves glory in you in the churches of God for your patience and faith in all your persecutions and tribulations that all of you endure:

Tertullian Scorpiace
-how he, (I say, ) speaks in favour of martyrdoms, now to be chosen by himself also, when, rejoicing over the Thessalonians, he says, "So that we glory in you in the churches of God, for your patience and faith in all your persecutions and tribulations, in which ye endure a manifestation of the righteous judgment of God, that ye may be accounted worthy of His kingdom, for which ye also suffer![93]

1:6 - Seeing it is a righteous thing with God to recompense tribulation to them that trouble you;

Irenaeus Against Heresies Book IV
Paul also refers to this event when he says, "If, however, it is a righteous thing with God to recompense tribulation to them that trouble you, and to you that are troubled rest with us, at the revelation of the Lord Jesus from heaven, with His mighty angels, and in a flame of fire."[499]
Tertullian Against Marcion Book V
He must be either the Creator, or (as Marcion would be loth to admit) One like the Creator-"with whom it is a righteous thing to recompense tribulation to them who afflict us, and to ourselves, who are afflicted, rest, when the Lord Jesus shall be revealed as coming from heaven with the angels of His might and in flaming fire."[731]

1:8 - In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ:

Tertullian Against Marcion Book V
,"[734]

1:9 - Who shall be punished with everlasting destruction from the presence of the Lord, and from the glory of his power;

Irenaeus Against Heresies Book IV
And the apostle in like manner says [of them], "Who shall be punished with everlasting death from the face of the Lord, and from the glory of His power, when He shall come to be glorified in His saints, and to be admired in those who believe in Him."[502]