Jeremiah 6:29

The bellows blow fiercely and the fire consumes the lead. The refining goes on in vain, but the wicked are not separated.

Proverbs 17:3

The refining pot is for silver, and the furnace for gold but Jehovah proves the heart.

Isaiah 49:4

I said: I have toiled in vain. I have spent my energy for nothing and vanity. Yet, to be sure, the justice due to me is with Jehovah. My reward is with my God.

Jeremiah 9:7

Thus says Jehovah of Hosts: Behold, I will refine them and assay them. What else can I do, because of the daughter of my people?

Ezekiel 24:13

In your filthiness is lewdness. Because I would have cleansed you, yet you are not clean. You will not be cleansed from your filthiness again until I have spent my anger on you.

Hosea 11:7

My people are determined to turn (apostatize) from me. Even if they call to the Most High, he will by no means exalt them.

Zechariah 13:9

I will bring the third part into the fire. I will refine them, as silver is refined, and I will test them as gold is tested. They will call on my name, and I will hear them. I will say: 'It is my people!' They will say: 'Jehovah is my God!'

Malachi 3:2-3

Who can endure the day of his coming? Who can stand when he appears? He is like a refiner's fire and like laundry soap (the lye of laundrymen).

1 Peter 1:7

The proof of your faith is more precious than gold that perishes. Though it is tested by fire, it may be found in praise and glory and honor at the revelation of Jesus Christ.

1 Peter 4:12

Beloved ones do not be surprised at the fiery ordeal among you, for it comes upon you like a test, as though some strange thing were happening 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
Thus says Jehovah of Hosts: Behold, I will refine them and assay them. What else can I do, because of the daughter of my people?
Proverbs 17:3
The refining pot is for silver, and the furnace for gold but Jehovah proves the heart.
Zechariah 13:9
I will bring the third part into the fire. I will refine them, as silver is refined, and I will test them as gold is tested. They will call on my name, and I will hear them. I will say: 'It is my people!' They will say: 'Jehovah is my God!'
Malachi 3:2
Who can endure the day of his coming? Who can stand when he appears? He is like a refiner's fire and like laundry soap (the lye of laundrymen).
1 Peter 1:7
The proof of your faith is more precious than gold that perishes. Though it is tested by fire, it may be found in praise and glory and honor at the revelation of Jesus Christ.
1 Peter 4:12
Beloved ones do not be surprised at the fiery ordeal among you, for it comes upon you like a test, as though some strange thing were happening to you.

General references

Leviticus 14:43
If the mildew breaks out again in the house after the stones have been removed and the house has been scraped and plastered,
Isaiah 5:4
What more could have been done for my vineyard than what I have already done for it? When I waited for it to produce good grapes, why did it produce only sour, wild grapes?
Ezekiel 22:24
Son of man, say to her: 'You are a land that is not cleansed or rained on in the day of indignation (outrage) (revulsion).