James 1:10

For the rich man will pass away 'like the flower of the grass.'

1 Peter 1:24

For-- 'All earthly life is but as grass, And all its splendor as the flower of grass. The grass fades, Its flower falls,

1 Corinthians 7:31

And those who use the good things of the world as using them sparingly; for this world as we see it is passing away.

Matthew 5:3

"Blessed are the poor in spirit, for theirs is the Kingdom of Heaven.

Matthew 6:30

If God so clothes even the grass of the field, which is living to-day and to-morrow will be thrown into the oven, will not he much more clothe you, O men of little faith?

Philippians 3:8

More than that, I count everything as loss, for the sake of the exceeding value of the knowledge of Christ Jesus my Lord. And for his sake I have lost everything, and count it as refuse, if I may but gain Christ and be found in union with him;

1 Timothy 6:17

Urge upon those who are wealthy in this life not to pride themselves, or fix their hopes, on so uncertain a thing as wealth, but on God, who gives us a wealth of enjoyment on every side.

James 4:14

And yet you do not know what your life will be like to-morrow! For you are but a mist appearing for a little while and then disappearing.

1 John 2:17

And the world, and all that it gratifies, is passing away, but he who does God's will remains for ever.

Treasury of Scripture Knowledge

Summary

But the rich, in that he is made low: because as the flower of the grass he shall pass away.

General references

Bible References

In

Matthew 5:3
"Blessed are the poor in spirit, for theirs is the Kingdom of Heaven.
Philippians 3:8
More than that, I count everything as loss, for the sake of the exceeding value of the knowledge of Christ Jesus my Lord. And for his sake I have lost everything, and count it as refuse, if I may but gain Christ and be found in union with him;
1 Timothy 6:17
Urge upon those who are wealthy in this life not to pride themselves, or fix their hopes, on so uncertain a thing as wealth, but on God, who gives us a wealth of enjoyment on every side.

Because

James 4:14
And yet you do not know what your life will be like to-morrow! For you are but a mist appearing for a little while and then disappearing.
Matthew 6:30
If God so clothes even the grass of the field, which is living to-day and to-morrow will be thrown into the oven, will not he much more clothe you, O men of little faith?
1 Corinthians 7:31
And those who use the good things of the world as using them sparingly; for this world as we see it is passing away.
1 Peter 1:24
For-- 'All earthly life is but as grass, And all its splendor as the flower of grass. The grass fades, Its flower falls,
1 John 2:17
And the world, and all that it gratifies, is passing away, but he who does God's will remains for ever.

General references

2 Corinthians 10:17
'Let him who boasts make his boast of the Lord.'