The term "evil heart" in the Bible often refers to a disposition or attitude that is contrary to God's will and is characterized by wickedness, rebellion, and disobedience. In Jeremiah 17:9, it is stated, "The heart is deceitful above all things, and desperately wicked: who can know it?" This highlights the inherent sinful nature of humanity and the tendency for the heart to lead individuals away from righteousness. The concept of the "evil heart" is also associated with unbelief and a lack of trust in God, as seen in Hebrews 3:12, which warns against having an "evil heart of unbelief" that turns away from the living God.In a broader theological context, the "evil heart" signifies the moral and spiritual corruption that affects human nature due to sin. It underscores the need for transformation and renewal through faith. In Ezekiel 36:26, God promises to give His people a new heart and a new spirit, indicating that believers can overcome the evil inclinations of their hearts through divine intervention. Thus, the notion of an "evil heart" serves as a reminder of the human condition and the necessity for redemption through Christ, who offers a new covenant and the promise of a heart aligned with God's purposes.