Exo 4:21, Exo 7:13, Exo 7:14, Psa 81:11, Psa 81:12, Rev 16:10, Rev 16:11, Hardness of heart is a figurative expression, denoting that insensibility of mind upon which neither judgments nor mercies make any abiding impressions; but the conscience being stupefied, the obdurate rebel persists in determined disobedience. Reciprocal: Exo 9:7 - the heart Exo 10:20 - General Psa 69:27 - Add Amo 4:10 - yet