A Quick Guide To The Pauline Epistles: Overviewbible: Thessalonian Letter

The letter was written from Corinth after his coworker St. ..., to refute slanderous charges that he used guile and flattery to gain converts, Paul points out that the Thessalonians themselves were eyewitnesses to his "pure, upright, and blameless" behavior (2:10).
The Thessalonian correspondence gives us a vivid insight into the personality of Paul. These letters reflect his zeal as a tireless missionary of Jesus Christ. They disclose Paul's lofty estimate of human personality and especially his deep concern for the well-being of young converts. They portray him not only as a courageous thinker and a fearless evangelist but also as a man of strong affection, capable of loneliness and anxiety. Even as the teacher of the Thessalonians, Paul longed for their fellowship and love as well as for the support of their prayers.