John 16:15 (KJV) states, "All things that the Father hath are mine: therefore said I, that he shall take of mine, and shall shew it unto you."

This verse is part of Jesus' farewell discourse to his disciples before his crucifixion. In this passage, Jesus is speaking to his disciples about the role of the Holy Spirit and the unity between himself, the Father, and the Spirit. The verse is rich with theological significance and provides insight into the nature of the Godhead and the relationship between the Father, Son, and Holy Spirit.

The verse begins with the statement, "All things that the Father hath are mine." This reflects the idea of the unity and equality within the Trinity. Jesus, as the Son, shares in the divine nature of the Father and possesses all that the Father has. This reinforces the concept of the deity of Christ and his divine authority. It also emphasizes the unity and harmony within the Godhead, as there is no division or hierarchy between the Father and the Son.

The verse continues with the declaration, "therefore said I, that he shall take of mine, and shall shew it unto you." In this statement, Jesus is referring to the Holy Spirit, who proceeds from the Father and the Son. The Holy Spirit's role is to reveal the truth of Jesus to the disciples and to guide them into all truth. This highlights the cooperative work of the Trinity in the redemption of humanity, as each person of the Trinity plays a distinct role in the plan of salvation.

The verse also speaks to the concept of revelation. Jesus promises that the Holy Spirit will take what belongs to Jesus and reveal it to the disciples. This demonstrates the process of divine revelation, where the truths of God are made known to humanity through the work of the Holy Spirit. The Holy Spirit illuminates the minds and hearts of believers, enabling them to understand and appropriate the truths of the gospel.

In its broader context, this verse is situated within the larger farewell discourse of Jesus, where he prepares his disciples for his departure and instructs them concerning the coming of the Holy Spirit. Throughout this discourse, Jesus emphasizes the intimate relationship between himself, the Father, and the Spirit, and the implications of this relationship for the disciples' faith and mission.

The themes present in this verse include the unity of the Trinity, the deity of Christ, the work of the Holy Spirit, and the process of divine revelation. These themes contribute to the overall theological portrait presented in the Gospel of John, where Jesus is portrayed as the divine Son of God who reveals the Father to humanity and imparts eternal life to those who believe in him.

In terms of symbolism, this verse symbolizes the interconnectedness and unity within the Trinity. The mutual indwelling of the Father, Son, and Holy Spirit is represented, highlighting the harmony and cooperation within the Godhead. The verse also symbolizes the role of the Holy Spirit as the revealer of divine truth, emphasizing the work of the Spirit in illuminating the minds of believers and empowering them for faithful discipleship.

In conclusion, John 16:15 (KJV) is a powerful and profound verse that offers a glimpse into the nature of the Trinity and the work of the Holy Spirit. It emphasizes the unity and equality within the Godhead, the deity of Christ, and the process of divine revelation. The verse carries significant theological weight and provides important insights into the Christian understanding of God and the salvation brought through Jesus Christ.