'Fire' in the Bible

"Oh that there were one among you who would shut the doors, that you might not kindle fire on my altar in vain! I have no pleasure in you," says Yahweh of Armies, "neither will I accept an offering at your hand.

"But who can endure the day of his coming? And who will stand when he appears? For he is like a refiner's fire, and like launderer's soap;