The concept of Spiritual Marriage in the Bible refers to the intimate and sacred bond between a believer and God, often symbolized as a marital relationship, as seen in Isaiah 54:5, where God is described as the husband of His people. This idea is further developed in the New Testament, where the church is portrayed as the Bride of Christ, with Christ being the Bridegroom, as stated in Ephesians 5:25-33, emphasizing the depth of God's love and commitment to His people. As expressed in Romans 8:28, this spiritual union is rooted in God's sovereign plan, bringing about a transformative and redemptive relationship that transcends earthly marriages, with God's people being conformed to the image of Christ, as also hinted in Psalms 45:11, which speaks of the King's desire for His bride. Through this spiritual marriage, believers experience a profound sense of belonging, purpose, and eternal union with their heavenly Bridegroom.
Stephen Kaung emphasizes the significance of the two marriages in Revelation, illustrating the spiritual union between God and humanity. He explains that the first marriage in Revelation 19 marks the beginning of the millennium, while the second in chapters 21 and 22 signifies the start of eternity.