What does the Bible teach about the nature of true repentance?

The Bible teaches that true repentance arises from an understanding of God's goodness, as stated in Romans 2:4, which indicates that it is the goodness of God that leads to repentance. Repentance is not simply a reaction to fear of judgment or calamity; rather, it involves a heartfelt turning away from sin and a turning toward God. The story of Pharaoh's hardened heart exemplifies this reality, as he frequently changed his behavior in response to the plagues but never truly repented. This distinction illustrates that genuine repentance is a transformation of the heart that acknowledges one's need for grace and salvation rather than merely a change in outward actions.