Teachings from both the Old and New Testaments to define Christian marriage. It establishes marriage as a divine institution, not a human invention, emphasizing its sacred origin and purpose. Core principles such as one-flesh union, lifelong commitment, and sacrificial love, highlighting the complementary roles of husbands and wives. Furthermore, it explores the purposes of marriage, including companionship, procreation, and sanctification, while offering practical guidance on overcoming common challenges and fostering a successful, Christ-centered relationship.