Albert Barnes Commentary Jeremiah 7:16

"Therefore pray not thou for this people, neither lift up cry nor prayer for them, neither make intercession to me; for I will not hear thee." — Jeremiah 7:16 (ASV)

They had reached that stage in which people sin without any sense of guilt (see 1 John 5:16).

Neither make intercession to me – In Jeremiah 14:7-9, we have an intercessory prayer offered by Jeremiah, but not heard. The intercession of Moses prevailed with God (Numbers 11:2; Numbers 14:13–20; Numbers 16:22) because the people were then making upward progress; the progress now was from bad to worse, and therefore in Jeremiah 15:1 we read that the intercession even of Moses and Samuel (see 1 Samuel 12:23) would profit nothing.