Jeremiah 6:29

The bellows blow fiercely,
The lead is consumed by the fire;
In vain the refining goes on,
But the wicked are not separated.

Proverbs 17:3

The refining pot is for silver and the furnace for gold,
But the Lord tests hearts.

Isaiah 49:4

But I said, “I have toiled in vain,
I have spent My strength for nothing and vanity;
Yet surely the justice due to Me is with the Lord,
And My reward with My God.”

Jeremiah 9:7

Therefore thus says the Lord of hosts,
“Behold, I will refine them and assay them;
For 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 wrath on you.

Hosea 11:7

So My people are bent on turning from Me.
Though they call them to the One on high,
None at all exalts Him.

Zechariah 13:9

“And I will bring the third part through the fire,
Refine them as silver is refined,
And test them as gold is tested.
They will call on My name,
And I will answer them;
I will say, ‘They are My people,’
And they will say, ‘The Lord is my God.’”

Malachi 3:2-3

“But who can endure the day of His coming? And who can stand when He appears? For He is like a refiner’s fire and like fullers’ soap.

1 Peter 1:7

so that the proof of your faith, being more precious than gold which is perishable, even though tested by fire, may be found to result in praise and glory and honor at the revelation of Jesus Christ;

1 Peter 4:12

Beloved, do not be surprised at the fiery ordeal among you, which comes upon you for your testing, 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
Therefore thus says the Lord of hosts,
“Behold, I will refine them and assay them;
For 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 the Lord tests hearts.
Zechariah 13:9
“And I will bring the third part through the fire,
Refine them as silver is refined,
And test them as gold is tested.
They will call on My name,
And I will answer them;
I will say, ‘They are My people,’
And they will say, ‘The Lord is my God.’”
Malachi 3:2
“But who can endure the day of His coming? And who can stand when He appears? For He is like a refiner’s fire and like fullers’ soap.
1 Peter 1:7
so that the proof of your faith, being more precious than gold which is perishable, even though tested by fire, may be found to result in praise and glory and honor at the revelation of Jesus Christ;
1 Peter 4:12
Beloved, do not be surprised at the fiery ordeal among you, which comes upon you for your testing, as though some strange thing were happening to you;

General references

Leviticus 14:43
“If, however, the mark breaks out again in the house after he has torn out the stones and scraped the house, and after it has been replastered,
Isaiah 5:4
What more was there to do for My vineyard that I have not done in it?
Why, when I expected it to produce good grapes did it produce worthless ones?
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.’