2 Thessalonians 2:10

Irenaeus Against Heresies Book V

And for this reason the apostle says: "Because they received not the love of God, that they might be saved, therefore God shall also send them the operation of error, that they may believe a lie, that they all may be judged who have not believed the truth, but consented to unrighteousness."[242]

Tertullian The Prescription Against Heretics

You must "seek" until you "find," and believe when you have found; nor have you anything further to do but to keep what you have believed provided you believe this besides, that nothing else is to be believed, and therefore nothing else is to be sought, after you have found and believed what has been taught by Him who charges you to seek no other thing than that which He has taught.[116]

Tertullian Against Marcion Book V

(to believe a lie), that they all might be judged who believed not the truth, but had pleasure in unrighteousness."[744]

Origen Against Celsus Book II

And for this cause God shall send them strong delusion, that they should believe a lie; that they all might be damned who believed not the truth, but had pleasure in unrighteousness."[117]

Cyprian Epistle LIV

And for this cause God shall send them strong delusion, that they should believe a lie: that they all might be judged who believed not the truth, but had pleasure in unrighteousness."[47]

Cyprian Treatise III On the Lapsed

And for this cause God shall send them the working of error, that they should believe a lie; that they all might be damned who believed not the truth, but had pleasure in unrighteousness."[72]

Victorinus Commentary on the Apocalypse of the Blessed John

And that they might know that he should come who then was the prince, he added: "He already endeavours after the secret of mischief"[53]