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Time Written:

A.D. 51–52, likely written from Corinth.

Historical Context:

Paul wrote this follow-up letter to correct misunderstandings about the Day of the Lord. Some believers thought Christ’s return was imminent, leading to alarm and idleness. Paul clarifies the sequence of end-times events.

Main Message:

Believers should remain faithful and diligent, knowing that certain events, such as the rise of the "man of lawlessness," must occur before Christ’s return. Paul emphasizes endurance and warns against laziness.

Fun Fact: This letter introduces the term “man of lawlessness,” often interpreted as the Antichrist.