1 Peter 1:7

that your faith, when proved, being much more precious than gold, which perishes though it be tried by fire, may be found to be for praise and honor and glory, at the revelation of Jesus Christ;

1 Peter 4:12

Beloved, be not amazed at the fiery trial that has come on you to try you, as if some strange thing had 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

1 Peter 1:7
that your faith, when proved, being much more precious than gold, which perishes though it be tried by fire, may be found to be for praise and honor and glory, at the revelation of Jesus Christ;
1 Peter 4:12
Beloved, be not amazed at the fiery trial that has come on you to try you, as if some strange thing had happened to you.