Jeremiah 6:29

The bellows are burned, the lead is melted by the fire; the refiner melts in vain; for the wicked are not plucked away.

Proverbs 17:3

The refining pot is for silver, and the furnace for gold, but Jehovah tries the hearts.

Isaiah 49:4

Then I said, I have labored in vain; I have spent My strength for nothing, and in vain; yet surely My judgment is with Jehovah, and My work with My God.

Jeremiah 9:7

Therefore so says Jehovah of Hosts, Behold, I will melt them and try them; for what else can I do for the daughter of My people?

Ezekiel 24:13

In your defilement is wickedness. Because I have purged you and you were not purged, you shall not be purged from your defilement any more, until I have caused My fury to cease on you.

Hosea 11:7

And My people are bent on backsliding from Me. Though they called them to the Most High, none at all would exalt Him.

Zechariah 13:9

And I will bring the third part through the fire, and will refine them as silver is refined, and will try them as gold is tried. They shall call on My name, and I will answer them; I will say, It is My people; and they shall say, Jehovah is my God.

Malachi 3:2-3

But who can endure the day of His coming? And who shall stand when He appears? For He is like a refiner's fire, and like fuller's soap.

1 Peter 1:7

so that the trial of your faith (being much more precious than that of gold that perishes, but being proven through fire) might be found to praise and honor and glory at the revelation of Jesus Christ,

1 Peter 4:12

Beloved, do not be astonished at the fiery trial which is to try you, as though a strange thing happened to you,

Treasury of Scripture Knowledge

Summary

The bellows are burned, the lead is consumed of the fire; the founder melteth in vain: for the wicked are not plucked away.

Bible References

The founder

Jeremiah 9:7
Therefore so says Jehovah of Hosts, Behold, I will melt them and try them; for what else can I do for the daughter of My people?
Proverbs 17:3
The refining pot is for silver, and the furnace for gold, but Jehovah tries the hearts.
Zechariah 13:9
And I will bring the third part through the fire, and will refine them as silver is refined, and will try them as gold is tried. They shall call on My name, and I will answer them; I will say, It is My people; and they shall say, Jehovah is my God.
Malachi 3:2
But who can endure the day of His coming? And who shall stand when He appears? For He is like a refiner's fire, and like fuller's soap.
1 Peter 1:7
so that the trial of your faith (being much more precious than that of gold that perishes, but being proven through fire) might be found to praise and honor and glory at the revelation of Jesus Christ,
1 Peter 4:12
Beloved, do not be astonished at the fiery trial which is to try you, as though a strange thing happened to you,

General references

Leviticus 14:43
And if the plague comes again and breaks out in the house after he has taken away the stones and after he has scraped the house, and after it is plastered,
Isaiah 5:4
What more could have been done to my vineyard that I have not done in it? Who knows? I looked for it to yield grapes, but it yielded rotten grapes.
Ezekiel 22:24
Son of man, say to her: You are a land not being cleansed, nor rained on in the day of disgust.