And when the Supreme Shepherd [i.e., Jesus] comes back, you will receive [for your effort] a glorious crown [of reward] that will never fade away [Note: The idea of "fading away" is suggested by the laurel wreath bestowed on the winner of an athletic contest].

to an incorruptible and undefiled inheritance that does not fade away, reserved in Heaven for you,

For "All flesh is like grass, And all its glory like the flower of the grass. The grass withers, And the flower fades,