1 Peter 1:7

These are in order that the test of your faith, more precious than gold that is perishable and yet is tested by fire, may redound to praise and glory and honor, at the revelation of Jesus Christ.

1 Peter 4:12

Do not think it strange, beloved, that a fiery ordeal has come to test you, as though some surprising thing had befallen you.

Treasury of Scripture Knowledge

Summary

As the fining pot for silver, and the furnace for gold; so is a man to his praise.

Bible References

The fining

1 Peter 1:7
These are in order that the test of your faith, more precious than gold that is perishable and yet is tested by fire, may redound to praise and glory and honor, at the revelation of Jesus Christ.
1 Peter 4:12
Do not think it strange, beloved, that a fiery ordeal has come to test you, as though some surprising thing had befallen you.