stand before Me: i.e. as My servant. Compare 1 Kings 18:15; 2 Kings 3:14.
take forth the precious, &c. Reference to Pentateuch (Leviticus 10:10).
Related Commentaries of Jeremiah 15:19
Jeremiah 15:19
19 Therefore thus saith the LORD, If thou return, then will I bring thee again, and thou shalt stand before me: and if thou take forth the precious from the vile, thou shalt be as my mouth: let them return unto thee; but return not thou unto them.