Philippians 3:21 (KJV) reads, "Who shall change our vile body, that it may be fashioned like unto his glorious body, according to the working whereby he is able even to subdue all things unto himself."

This verse comes towards the end of the third chapter of the Letter to the Philippians, which was written by the apostle Paul while he was in prison. In this section of his letter, Paul is addressing the believers in Philippi and discussing the Christian's ultimate goal and hope, which is to be transformed and conformed to the likeness of Christ.

The verse speaks to the transformation of our physical bodies to be like Christ's glorious body. This transformation is a future event that will occur at the time of the resurrection, when believers will be given new, imperishable bodies. This concept of transformation is a central theme in the Christian faith, as it represents the culmination of God's redemptive work in the lives of believers.

The first part of the verse, "Who shall change our vile body," speaks to the current state of our physical bodies. The word "vile" in this context refers to our mortal, corruptible bodies that are subject to decay, suffering, and ultimately death as a result of the Fall (Genesis 3). Despite our best efforts, our physical bodies are weak and limited, and they are a reminder of our fallen nature and the effects of sin in the world.

However, the verse goes on to say, "that it may be fashioned like unto his glorious body." Here, Paul is pointing to the future transformation that believers will experience when Christ returns. Our mortal bodies will be transformed and made like Christ's glorious, resurrected body. This transformation represents the ultimate victory over death and decay, and it is the hope that sustains Christians in the midst of suffering and trials.

The latter part of the verse, "according to the working whereby he is able even to subdue all things unto himself," emphasizes the power and authority of Christ. This transformation of our bodies is not something that we can accomplish on our own; rather, it is the result of Christ's redemptive work and his ability to subdue all things unto himself. This highlights the sovereignty and lordship of Christ over all creation, and it assures believers that the transformation of their bodies is a certain and guaranteed outcome.

In the broader context of the Letter to the Philippians, this verse is part of Paul's exhortation to the believers to press on towards the goal of knowing Christ and being found in him (Philippians 3:8-11). He encourages them to forget what is behind and to strain towards what is ahead, looking forward to the upward call of God in Christ Jesus (Philippians 3:13-14). The transformation of our bodies to be like Christ's is part of this upward call, and it is the hope that motivates believers to persevere in their faith despite the challenges they may face.

Symbolically, the transformation of our bodies to be like Christ's glorious body represents the ultimate fulfillment of God's redemptive plan. It symbolizes the victory of life over death, the defeat of sin and corruption, and the restoration of all things in Christ. This transformation also serves as a reminder of the importance of our physical bodies in the Christian faith, as they will be redeemed and glorified along with our spirits.

In conclusion, Philippians 3:21 is a powerful reminder of the hope that believers have in Christ. It speaks to the transformation of our bodies at the time of the resurrection, highlighting the victory over death and the promise of new, glorified bodies like Christ's. This verse encourages believers to persevere in their faith and to look forward to the day when they will be fully conformed to the image of Christ. It is a source of comfort and assurance for Christians, reminding them that their ultimate destiny is to be with Christ and to enjoy the fullness of his glory for all eternity.