Any man who enters an athletic contest goes into strict training, to win a wreath that will soon wither, but the one we compete for will never wither.

in a moment, in the twinkling of an eye, at the sound of the last trumpet. For the trumpet will sound, and the dead will be raised free from decay, and we shall be changed.

Undefiled

Nothing unclean will ever enter it, nor anyone who indulges in abominable practices and falsehoods, but only those who are written in the Lamb's book of life.

Fadeth

and when the chief shepherd appears, you will receive the glorious wreath that will never fade.

For the sun comes up with its scorching heat and dries up the grass, and the flowers wither, and all their beauty is gone. That is the way rich men will fade and die in the midst of their pursuits.

Reserved

and for the hope of what is stored up for you in heaven. You first heard of it long ago when the true message of the gospel

For you have died, and your life now lies hidden with Christ in God.

Now the crown of uprightness awaits me, which the Lord, the upright judge, will award me on that Day, and not only me but also all who have loved and hoped for his appearing.

General references

but store up your riches in heaven, where moths and rust cannot destroy them, and where thieves cannot break in and steal them.