1 Peter 1:24

"For all flesh is as grass, and all the glory of man as the flower of grass. The grass withers, and the flower of it falls down; but the word of the Lord remains forever."

1 John 2:17

Now the world passes away, and the lust of it; be he who does the will of God, abides forever.

1 Peter 4:7

Now the end of all things has approached; be, therefore, sober, and watch to prayer.

Treasury of Scripture Knowledge

Summary

Whereas ye know not what shall be on the morrow. For what is your life? It is even a vapour, that appeareth for a little time, and then vanisheth away.

Bible References

A vapour

1 Peter 1:24
"For all flesh is as grass, and all the glory of man as the flower of grass. The grass withers, and the flower of it falls down; but the word of the Lord remains forever."
1 Peter 4:7
Now the end of all things has approached; be, therefore, sober, and watch to prayer.
1 John 2:17
Now the world passes away, and the lust of it; be he who does the will of God, abides forever.