"코린토스 서신" refers to the two letters written by the Apostle 바울 to the early Christian community in 고린도. These letters, known as 고린도전서 and 고린도후서, address various issues faced by the church, including moral behavior, spiritual gifts, and the resurrection of the dead. They provide guidance and teachings to help strengthen the faith of the believers. The letters are part of the New Testament in the 성경 and are significant for their theological insights and practical advice. They reflect the challenges of early Christianity and emphasize the importance of love, unity, and faith within the community.