1 Peter 1:7

that the proof of your faith, much more precious than gold which perisheth, but is tried with fire, may be found unto praise and glory and honor at the manifestation of Jesus Christ;

1 Peter 4:12

Beloved, be not surprised at the fiery trial which is taking place among you to prove you, as though a strange thing were befalling 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 the proof of your faith, much more precious than gold which perisheth, but is tried with fire, may be found unto praise and glory and honor at the manifestation of Jesus Christ;
1 Peter 4:12
Beloved, be not surprised at the fiery trial which is taking place among you to prove you, as though a strange thing were befalling you;