Revelation 21:9 in the King James Version reads: "And there came unto me one of the seven angels which had the seven vials full of the seven last plagues, and talked with me, saying, Come hither, I will shew thee the bride, the Lamb's wife."

This verse is part of the Book of Revelation, which is the final book of the New Testament. It is known for its apocalyptic and prophetic content, as it describes the end times and the ultimate victory of good over evil. In this particular verse, the speaker is one of the seven angels who had the seven vials full of the seven last plagues, and he is speaking to John, the author of the Book of Revelation. The angel invites John to come nearer, as he is about to reveal something significant: the bride, the Lamb's wife.

The themes in this verse are rich and multi-layered, and they tie into the broader themes of the Book of Revelation as a whole. One key theme is the idea of divine union, as symbolized by the bride and the Lamb's wife. In Christian theology, the Lamb often refers to Jesus Christ, who is seen as the sacrificial Lamb of God. The bride, on the other hand, can be interpreted as the people of God, or the church. This verse, then, may be understood as a vision of the ultimate union between Christ and his followers, symbolizing the harmonious and perfect relationship between God and his people.

The use of the number seven in this verse is also significant. In the Bible, the number seven often symbolizes completeness, perfection, and divine intervention. The seven angels with the seven vials of the seven last plagues represent the completion of God's judgment and the fulfillment of his divine plan. The invitation to witness the bride, the Lamb's wife, indicates that John is about to witness the culmination of God's redemptive work and the ultimate fulfillment of his promises to his people.

The context of this verse is important for understanding its significance. In the broader context of the Book of Revelation, this verse comes at the culmination of John's visionary experiences, where he witnesses a new heaven and a new earth, as well as the holy city, the new Jerusalem, coming down out of heaven from God. This vision is a culmination of the apocalyptic events that John has seen and foretells the ultimate victory of good over evil, the establishment of God's kingdom, and the eternal blessedness of God's people.

The symbolism in this verse is rich and evocative. The image of the bride, the Lamb's wife, points to the intimate and loving relationship between Christ and the church. It symbolizes the ultimate union and communion between God and his people, as well as the fulfillment of God's redemptive plan. The use of the angel as a messenger underscores the divine nature of this revelation, as angels are often seen as intermediaries between God and humanity.

In conclusion, Revelation 21:9 is a pivotal verse in the Book of Revelation, as it points to the ultimate fulfillment of God's promises and the establishment of his kingdom. It symbolizes the intimate and loving relationship between Christ and his followers, as well as the ultimate victory of good over evil. The themes of divine union, completeness, and divine intervention are all woven into this verse, making it a powerful and evocative vision of the ultimate fulfillment of God's plan.