And he sat melting and cleansing silver: and he cleansed the sons of Levi, and he purified them as gold and as silver, and they were to Jehovah bringing near the sacrifice in justice.
That the proof of your faith, much more precious than perishing gold, and being tried by fire, might be found to praise and honour and glory at the revelation of Jesus Christ:
They went out from us, but they were not of us; for if they had been of us, they had remained with us, but, that they might be manifested, that they are not all of us.