1 Corinthians 15:50-58 - Victorious Resurrection
50 Now I say this, believers, that flesh and blood cannot inherit nor be part of the kingdom of God; nor does the perishable (mortal) inherit the imperishable (immortal). 51 Listen very carefully, I tell you a mystery [a secret truth decreed by God and previously hidden, but now revealed]; we will not all sleep [in death], but we will all be [completely] changed [wondrously transformed], 52 in a moment, in the twinkling of an eye, at [the sound of] the last trumpet call. For a trumpet will sound, and the dead [who believed in Christ] will be raised imperishable, and we will be [completely] changed [wondrously transformed]. 53 For this perishable [part of us] must put on the imperishable [nature], and this mortal [part of us that is capable of dying] must put on immortality [which is freedom from death]. 54 And when this perishable puts on the imperishable, and this mortal puts on immortality, then the Scripture will be fulfilled that says, “Death is swallowed up in victory (vanquished forever).
58 Therefore, my beloved brothers and sisters, be steadfast, immovable, always excelling in the work of the Lord [always doing your best and doing more than is needed], being continually aware that your labor [even to the point of exhaustion] in the Lord is not futile nor wasted [it is never without purpose].