Quoting directly from Genesis 2:24, Paul states, “For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh.” Then, linking the original marriage with the ultimate marriage, he adds, “This is a great mystery—but I am talking about Christ and the church” (Eph. 5:31–32). Inspired by the Holy Spirit, Paul employs the intimacy of marital union to reveal not just some aspect of the Christian mystery. Rather, spousal union illuminates the reality