KJV:
And I will bring the third part through the fire, and will refine them as silver is refined, and will try them as gold is tried: they shall call on my name, and I will hear them: I will say, It is my people: and they shall say, The LORD is my God.
NASB:
"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.'"
KJV:
But who may abide the day of his coming? and who shall stand when he appeareth? for he is like a refiner's fire, and like fullers' soap:
NASB:
"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.
KJV:
And he shall sit as a refiner and purifier of silver: and he shall purify the sons of Levi, and purge them as gold and silver, that they may offer unto the LORD an offering in righteousness.
NASB:
"He will sit as a smelter and purifier of silver, and He will purify the sons of Levi and refine them like gold and silver, so that they may present to the LORD offerings in righteousness.