1 Peter 1:24

for human nature is like grass, and all their glory like the flower of the herb, the herb withers, the flower droops,

James 1:10-11

let the rich be humbled by his instability: for he is as transitory as a flower in the field.

James 4:14

how do you know, what will happen to-morrow? for, "what is your life?" a vapour that just appears, and then vanishes.

1 John 2:17

and the world is passing away, with all its vices: but he that obeys the divine will, shall enjoy a life of immortality.

Treasury of Scripture Knowledge

Summary

For all flesh is as grass, and all the glory of man as the flower of grass. The grass withereth, and the flower thereof falleth away:

Bible References

All flesh

James 1:10
let the rich be humbled by his instability: for he is as transitory as a flower in the field.
James 4:14
how do you know, what will happen to-morrow? for, "what is your life?" a vapour that just appears, and then vanishes.
1 John 2:17
and the world is passing away, with all its vices: but he that obeys the divine will, shall enjoy a life of immortality.