The Profound Mystery in Ephesians
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The mention of a “profound mystery” appears near the end of the apostle Paul’s teaching on Christian marriage in Ephesians 5:22–33. Here, Paul urges husbands and wives to emulate Christlike love and devotion. Before explaining this “great mystery” (NLT), Paul describes marriage as a living picture of something more significant than two people building a life together. He connects the daily realities of marriage—sacrificial love, tender mutual care, unity, oneness, headship, and commitment—to the relationship between Jesus Christ and His church. This connection is not purely a convenient metaphor. As Paul demonstrates, it is part of God’s plan from the beginning.
In Ephesians 5:32, Paul writes, “This is a profound mystery—but I am talking about Christ and the church.” The mystery is not marriage itself, nor the idea that men and women join together as one flesh. Those truths were already revealed in Genesis 2:24, which Paul quotes in Ephesians 5:31: “For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh.” The true mystery is that God created marriage to point beyond itself to the gospel—that “Christ loved the church and gave himself up for her to make her holy… and blameless” (Ephesians 5:25–27). Thus, the profound mystery is that marriage is not merely a human social institution or a romantic partnership. It is a God‑given symbol of Christ’s covenant love for His redeemed people.
The mystery is “profound” or extraordinary in its magnitude because it is hidden in plain sight throughout Scripture. When God established marriage in Genesis 2, He declared that the man and woman would become “one flesh.” This one‑flesh union foreshadows the believers’ spiritual union with Christ. Christian marriage serves as a parable, offering a foretaste of the heavenly “wedding supper of the Lamb” and of His “bride” (Revelation 19:7–9; 21:2). Human marriage parallels this divine reality: Christ is the bridegroom, the church is His bride, and their union is eternal, holy, and secured by His sacrificial love.
Through marriage, believers learn about Christ and how to love as He does. A Christian husband’s calling to love his wife “as Christ loved the church” becomes a daily reenactment of the gospel. Christ loved sacrificially, faithfully, and purposefully—to make His people holy. Likewise, God calls a Christian husband to lead with humility, serve with compassion, and pursue his wife’s spiritual good. A Christian wife’s calling to respect her husband reflects the church’s joyful submission to Christ, trusting His goodness and responding to His love.
The profound mystery also offers us a glimpse into God’s heart. He did not design marriage merely to satisfy human needs for companionship, pleasure, or family support and structure. Those are good gifts, but they are not the ultimate purpose. Marriage is meant to display the beauty of redemption. When Christians live out marriage according to God’s Word, they become a living testimony of Christ’s love story—a story of grace, forgiveness, unity, and covenant faithfulness. (The Profound Mystery in Ephesians)
Understanding the profound mystery also determines how Christians view the permanence of marriage. Because Christ never abandons His church, the marriage covenant is meant to reflect His steadfast commitment. Marriage is not a temporary arrangement but a lifelong covenant that illustrates God’s unchanging love. Recognizing the covenantal nature of marriage does not mean the church should ignore marital struggle and brokenness or the need for pastoral care in difficult situations. However, it underscores the seriousness of the vows believers make before God.
Discerning the profound mystery helps believers see their identity in Christ more clearly. Just as a bride is cherished, protected, and honored, so the church is cherished by Christ. He nourishes and cares for His people, shaping them into His likeness. Realizing this truth gives believers security, confidence, and joy. As Christ’s bride, we are not distant followers but beloved members of His body, united to Him in an unbreakable bond.
Finally, Paul’s profound mystery invites Christians to view marriage with humility and gratitude. In the marital union, God has given us a divine gift. It is not a contract but a covenant, not an end in itself but a signpost pointing to the greatest relationship of all—the union between Christ and His church. When we grasp this truth, we approach marriage with reverence, purpose, and hope, knowing that our relationship can reflect Christ’s love and mission to the world.
For further study: Marriage, an introduction
Our culture’s departure from God’s design illustrates what has been true from the beginning: by nature, mankind is in rebellion against God. The institution of marriage is no exception. Alistair Begg reminds believers that God’s Word speaks with authority, infallibility, and sufficiency in our lives.
If we are to grasp the profound mystery of Christ’s love for His church and the implications for us, we must first think rightly about the divine nature of God’s Word. Scripture: Ephesians 5:22-33
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