וְאָמַרְתִּ֣י לֹֽא־אֶזְכְּרֶ֗נּוּ וְלֹֽא־אֲדַבֵּ֥ר עוֹד֙ בִּשְׁמ֔וֹ וְהָיָ֤ה בְלִבִּי֙ כְּאֵ֣שׁ בֹּעֶ֔רֶת עָצֻ֖ר בְּעַצְמֹתָ֑י וְנִלְאֵ֥יתִי כַּֽלְכֵ֖ל וְלֹ֥א אוּכָֽל׃
Rashi on Jeremiah
Should I say: I will not mention Him If my heart said to me not to go on Your mission anymore.
Rashi on Jeremiah
it would be in my heart i.e., the prophecy, like a burning fire And against my will I must go.
Rashi on Jeremiah
confined in my bones And as if the fire were confined in my bones.