A profound boundary is drawn between a prophet and his people when God commands Jeremiah to stop seeking mercy for the nation. Specifically, God forbids him from praying that good should come to them [מצודת דוד]. This restriction highlights a striking contrast in the prophet's relationship with the masses. In earlier times, when his own life was threatened by the people, Jeremiah prayed for their downfall, asking God to take vengeance and lead them to destruction. Because he had previously prayed for their harm, God now explicitly instructs him not to pray for their benefit [רד״ק].
Beyond this personal history, the restriction against praying for the nation's welfare reveals a deeper truth about the nature of God's judgment. There are two distinct ways a nation might suffer. One is through the removal of Divine protection, where God simply withdraws His presence and allows tragedy to strike naturally. The other is an active, direct punishment delivered by God Himself. Jeremiah initially believed the current crisis was merely a result of God withdrawing His presence. Consequently, he intended to pray for good, hoping God would restore His protective care and bless the nation. However, God stops him to correct this misunderstanding. The suffering is not the result of being left to chance; it is a direct, intentional decree from God. Because the punishment is an active Divine judgment that has already been sealed, standard acts of devotion like prayers, fasts, or sacrifices are entirely ineffective. Overturning such a decree requires a much more profound level of repentance from the people [מלבי״ם].