For even when we were with you, we commanded you this: "If anyone will not work, neither let him eat."

 At the end Paul adds his autograph to authenticate his letter. "Look," he says, "this is what my handwriting is like. Mark it, so that you will know it again." And then, with the truth expounded, with praise and rebuke lovingly intermingled, he commends the Thessalonian Church to the grace of the Lord Jesus Christ. 