The Apostle Paul
2 Thessalonians 2:10ESV·traditional attribution

and with all wicked deception for those who are perishing, because they refused to love the truth and so be saved.

John Calvin Reformed @genevareformer

10 In those that perish. He limits the power of Satan, as not being able to injure the elect of God, just as Christ, also, exempts them from this danger. (Matthew 24:24.) From this it appears, that Antichrist has not so great power otherwise than by his permission. Now, this consolation was necessary.

Matthew Henry Presbyterian @wholebiblehenry

In these words the apostle confutes the error against which he had cautioned them, and gives the reasons why they should not expect the coming of Christ as just at hand. There were several events previous to the second coming of Christ; in particular, he tells them there would be, I. A general apostasy, there would come a falling away first, Th2 2:3.

Commenting on 2 Thessalonians 2:3-12

John Gill Reformed Baptist @doctorgill

And with all deceivableness of unrighteousness,.... Not that he deceives, or goes about to deceive, or thinks to deceive by open unrighteousness; but by unrighteousness, under a pretence of righteousness and holiness; as with the doctrines of justification and salvation by a man's own righteousness, with the doctrines of merit and of works of supererogation, which are taking to men, and by which they are...