1 Peter 1:25

Seeing you have purified your souls in your obedience to the truth through the Spirit in sincere brotherly affection, love one another from the heart fervently,

having been born again, not of corruptible seed, but of incorruptible, through the word of God, which lives and remains forever.

For,

“All flesh is like grass,

and all of man’s glory like the flower in the grass.

The grass withers, and its flower falls;