וְהָיָ֣ה ׀ בְּי֣וֹם צֵאתְךָ֗ וְעָֽבַרְתָּ֙ אֶת־נַ֣חַל קִדְר֔וֹן יָדֹ֥עַ תֵּדַ֖ע כִּ֣י מ֣וֹת תָּמ֑וּת דָּמְךָ֖ יִהְיֶ֥ה בְרֹאשֶֽׁךָ׃
For on the day thou goest out, and passest over the brook Kidron, know thou for certain that thou shalt surely die; thy blood shall be upon thine own head.’
Read midrashic interpretation of I Kings 2:37: and classical rabbinic exegesis.