is a term often used in Scripture to denote ignorance or a want of discernment in divine things, as well as the being destitute of natural sight (Isa_6:10; Isa_42:18-19; Mat_15:14). " Blindness of heart" is the want of understanding arising from the influence of vicious passions, while " hardness of heart" is stubborness of will and absence of moral feeling (
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, Mar_3:5; Rom_11:25; Eph_4:18).