The Book of 2 Thessalonians is a follow-up letter from the Apostle Paul, together with Silas and Timothy, to the church in Thessalonica. Written just a few months after 1 Thessalonians—likely around AD 51–52—this brief letter addresses new challenges that had arisen in the young Christian community.

In 2 Thessalonians, Paul encourages believers to stand firm amid continued persecution and confusion, especially regarding the return of Jesus. Some members of the church were anxious about the timing of Christ’s coming, while others had become idle, assuming the end was near. Paul writes to clarify misunderstandings about the “day of the Lord” and to call the church to responsible living and steady faith.

Key themes include perseverance during hardship, the importance of truth and discernment, and the call to productive, honorable lives as they wait for Christ’s return.