1 Peter 4:12 NIV
Dear friends, do not be surprised at the fiery ordeal that has come on you to test you, as though something strange were happening to you.
Job 23:10 NIV
But he knows the way that I take; when he has tested me, I will come forth as gold.
Proverbs 17:3 NIV
The crucible for silver and the furnace for gold, but the Lord tests the heart.