How do we know repentance is important for Christians?

The importance of repentance is grounded in the acknowledgment of our sinful state and the requirements of a holy God. A true penitent recognizes that their sins are not just mistakes but affronts to God's holiness, leading to genuine remorse and a desire for change. As seen in Ezekiel 20:43, the act of remembering one's sinful conduct results in a loathing for both the sins committed and the self that has sinned. This process is fundamental in cultivating a sincere relationship with God, as it aligns a believer’s heart with the need for grace and redemption.