In this closing greeting, the apostle Paul emphasizes the personal touch in his letter by writing the final greeting with his own hand. This gesture adds authenticity and warmth to his message, showing his care and concern for the Corinthians. It also serves as a reminder of the personal connection and relationship Paul had with the recipients of his letters, highlighting the importance of fellowship and unity in the body of Christ. Paul's handwritten conclusion reflects his desire for genuine relationships and his investment in the spiritual well-being of the Corinthian believers.