19 Because of this, thus says the Lord: 'If you will be converted, I will convert you. And you will stand before my face. And you will separate what is precious from what is vile. You will be my mouthpiece. They will be converted to you, but you will not be converted to them.
20 And I will present you to this people as a strong wall of brass. And they will fight against you, and they will not prevail. For I am with you, so as to save you and to rescue you, says the Lord.
21 And I will free you from hand of those who are most wicked, and I will redeem you from the hand of the powerful.'