Malachi 1:10; Malachi 3:2
"Oh that there were one among you who would shut the gates, that you might not uselessly kindle fire on My altar! I am not pleased with you," says the LORD of hosts, "nor will I accept an offering from you.
"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.