You shall remember all the way which the Lord your God has led you in the wilderness these forty years, that He might humble you, testing you, to know what was in your heart, whether you would keep His commandments or not.

Let Him weigh me with accurate scales,
And let God know my integrity.

The refining pot is for silver and the furnace for gold,
But the Lord tests hearts.

“And I will bring the third part through the fire,
Refine them as silver is refined,
And test them as gold is tested.
They will call on My name,
And I will answer them;
I will say, ‘They are My people,’
And they will say, ‘The Lord is my God.’”

“But who can endure the day of His coming? And who can stand when He appears? For He is like a refiner’s fire and like fullers’ soap.

so that the

proof of your faith, being more precious than gold which is perishable, even though tested by fire, may be found to result in praise and glory and honor at the revelation of Jesus Christ;

General references

“For His eyes are upon the ways of a man,
And He sees all his steps.

Examine me, O Lord, and try me;

Test my mind and my heart.