What exactly is the "strong delusion" Paul describes in 2 Thessalonians 2:9-12? For centuries, interpreters have wrestled with this sobering passage-where God "sends a strong delusion" so that those who reject the truth "may believe the lie." Is Paul describing judicial hardening, end-times deception, satanic activity under divine sovereignty, covenant judgment, or something more theologically layered?

What Is the Strong Delusion? offers the most comprehensive, text-driven evaluation of this question to date. Rather than relying on impressions or inherited assumptions, P. C. Anderson develops a nine-variable rubric drawn directly from the biblical text, its literary structure, Pauline theology, Old Testament judgment motifs, intertextual patterns, and the canonical witness to divine justice and human responsibility.

Each major interpretation-Judicial Hardening, Covenant Judgment, Satanic Influence Permitted by God, End-Times Deception, and a Composite Divine-Judicial model-is tested against the same criteria. The result is a transparent, evidence-based comparison that allows readers to see precisely how each view aligns (or struggles to align) with: