1) Paul encourages the Thessalonians to be ready for Christ's second coming at any time because it will be sudden and unexpected. He tells them to put on armor of faith and hope to protect themselves. 2) Paul provides exhortations for how Christians should treat each other, including paying respect to elders, rejoicing, praying, and giving thanks continually. 3) Paul closes by encouraging the Thessalonians to continue growing in sanctification and holding firmly to the teachings they have received from him. He asks them to pray for him as he spreads the gospel to others.