Jeremiah 6:29

The blower is blowing strongly, the lead is burned away in the fire: they go on heating the metal to no purpose, for the evil-doers are not taken away.

Proverbs 17:3

The heating-pot is for silver and the oven-fire for gold, but the Lord is the tester of hearts.

Isaiah 49:4

And I said, I have undergone weariness for nothing, I have given my strength for no purpose or profit: but still the Lord will take up my cause, and my God will give me my reward.

Jeremiah 9:7

So the Lord of armies has said, See, I will make them soft in the fire and put them to the test; this I will do because of their evil-doing.

Ezekiel 24:13

As for your unclean purpose: because I have been attempting to make you clean, but you have not been made clean from it, you will not be made clean till I have let loose my passion on you in full measure.

Hosea 11:7

My people are given up to sinning against me; though their voice goes up on high, no one will be lifting them up.

Zechariah 13:9

And I will make the third part go through the fire, cleaning them as silver is made clean, and testing them as gold is tested: and they will make their prayer to me and I will give them an answer: I will say, It is my people; and they will say, The Lord is my God.

Malachi 3:2-3

But by whom may the day of his coming be faced? and who may keep his place when he is seen? for he is like the metal-tester's fire and the cleaner's soap.

1 Peter 1:7

So that the true metal of your faith, being of much greater value than gold (which, though it comes to an end, is tested by fire), may come to light in praise and glory and honour, at the revelation of Jesus Christ:

1 Peter 4:12

Dear brothers, do not be surprised, as if it was something strange, if your faith is tested as by fire:

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
So the Lord of armies has said, See, I will make them soft in the fire and put them to the test; this I will do because of their evil-doing.
Proverbs 17:3
The heating-pot is for silver and the oven-fire for gold, but the Lord is the tester of hearts.
Zechariah 13:9
And I will make the third part go through the fire, cleaning them as silver is made clean, and testing them as gold is tested: and they will make their prayer to me and I will give them an answer: I will say, It is my people; and they will say, The Lord is my God.
Malachi 3:2
But by whom may the day of his coming be faced? and who may keep his place when he is seen? for he is like the metal-tester's fire and the cleaner's soap.
1 Peter 1:7
So that the true metal of your faith, being of much greater value than gold (which, though it comes to an end, is tested by fire), may come to light in praise and glory and honour, at the revelation of Jesus Christ:
1 Peter 4:12
Dear brothers, do not be surprised, as if it was something strange, if your faith is tested as by fire:

General references

Leviticus 14:43
And if the disease comes out again in the house after he has taken out the stones and after the walls have been rubbed and the new paste put on,
Isaiah 5:4
Is there anything which might have been done for my vine-garden which I have not done? why then, when I was hoping for the best grapes did it give me common grapes?
Ezekiel 22:24
Son of man, say to her, You are a land on which no rain or thunderstorm has come in the day of wrath.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain