Psalm 39:4-5
“Show me, O LORD, my end and the measure of my days. Let me know how fleeting my life is. / You, indeed, have made my days as handbreadths, and my lifetime as nothing before You. Truly each man at his best exists as but a breath. Selah

Ecclesiastes 2:11
Yet when I considered all the works that my hands had accomplished and what I had toiled to achieve, I found everything to be futile, a pursuit of the wind; there was nothing to be gained under the sun.

Psalm 90:9-10
For all our days decline in Your fury; we finish our years with a sigh. / The length of our days is seventy years—or eighty if we are strong—yet their pride is but labor and sorrow, for they quickly pass, and we fly away.

Isaiah 38:10-12
I said, “In the prime of my life I must go through the gates of Sheol and be deprived of the remainder of my years.” / I said, “I will never again see the LORD, even the LORD, in the land of the living; I will no longer look on mankind with those who dwell in this world. / My dwelling has been picked up and removed from me like a shepherd’s tent. I have rolled up my life like a weaver; He cuts me off from the loom; from day until night You make an end of me.

Psalm 102:3
For my days vanish like smoke, and my bones burn like glowing embers.

Ecclesiastes 6:12
For who knows what is good for a man during the few days in which he passes through his fleeting life like a shadow? Who can tell a man what will come after him under the sun?

Psalm 89:47
Remember the briefness of my lifespan! For what futility You have created all men!

James 4:14
You do not even know what will happen tomorrow! What is your life? You are a mist that appears for a little while and then vanishes.

Psalm 103:15-16
As for man, his days are like grass—he blooms like a flower of the field; / when the wind passes over, it vanishes, and its place remembers it no more.

1 Peter 1:24
For, “All flesh is like grass, and all its glory like the flowers of the field; the grass withers and the flowers fall,

Isaiah 40:6-8
A voice says, “Cry out!” And I asked, “What should I cry out?” “All flesh is like grass, and all its glory like the flowers of the field. / The grass withers and the flowers fall when the breath of the LORD blows on them; indeed, the people are grass. / The grass withers and the flowers fall, but the word of our God stands forever.”

2 Corinthians 4:16-18
Therefore we do not lose heart. Though our outer self is wasting away, yet our inner self is being renewed day by day. / For our light and momentary affliction is producing for us an eternal weight of glory that is far beyond comparison. / So we fix our eyes not on what is seen, but on what is unseen. For what is seen is temporary, but what is unseen is eternal.

Psalm 78:39
He remembered that they were but flesh, a passing breeze that does not return.

1 Corinthians 7:31
and those who use the things of this world, as if not dependent on them. For this world in its present form is passing away.

Hebrews 9:27
Just as man is appointed to die once, and after that to face judgment,