The book of Ephesians is a letter in the New Testament of the Christian Bible, traditionally attributed to the Apostle Paul. It addresses the Christian community in Ephesus and emphasizes themes such as unity in the body of Christ, the importance of faith, and the role of grace in salvation. In this letter, Paul encourages believers to live in a manner worthy of their calling, highlighting the significance of love, forgiveness, and spiritual growth. The text also discusses the relationship between Christ and the Church, portraying the Church as the body of Christ and emphasizing the need for mutual support among believers.