Where, O Death, Is Your Victory?
Paul says that flesh and blood cannot inherit God's kingdom, then announces the mystery that not all will die but all will be changed in an instant at the last trumpet. When the perishable is clothed with imperishability and the mortal with immortality, death's victory is overturned, its sting exposed as sin empowered by the law, and thanks are given to God for victory through Jesus Christ.
N50ow I declare to you, brothers, that flesh and blood cannot inherit the kingdom of God, nor does the perishable inherit the imperishable. 51Listen, I tell you a mystery: We will not all sleep, but we will all be changed — 52in an instant, in the twinkling of an eye, at the last trumpet. For the trumpet will sound, the dead will be raised imperishable, and we will be changed. 53For the perishable must be clothed with the imperishable, and the mortal with immortality. 54When the perishable has been clothed with the imperishable and the mortal with immortality, then the saying that is written will come to pass: “Death has been swallowed up in victory.” 55“Where, O Death, is your victory? 56The sting of death is sin, and the power of sin is the law. 57But thanks be to God, who gives us the victory through our Lord Jesus Christ!
Therefore Paul tells his beloved brothers to be steadfast, immovable, and always abounding in the Lord's work, because their labor in him is not in vain.
58Therefore, my beloved brothers, be steadfast and immovable. Always excel in the work of the Lord, because you know that your labor in the Lord is not in vain.