Thematic Bible: Who will believe lies

And then the lawless person [See verse 3] will be revealed, the one whom the Lord Jesus will destroy with the breath of His mouth and bring to an end by the brilliant appearance of His presence [i.e., at His second coming]. The coming [of this lawless person] is according to the work of Satan, [and will be] attended by all kinds of powerful [i.e., miraculous] signs and false wonders, and all kinds of wicked deception toward those people who are perishing [spiritually], because they refused to love the truth so they could be saved. read more.
And this is the reason that God sends them a strong delusion [to influence them]: It is so that they would believe the lie, in order that all those who have not believed the truth, but have taken pleasure in wrongdoing, would be condemned.