What does it mean for God's law to be written on our hearts?

In the New Covenant, the indwelling of the Holy Spirit enables Christians to understand and embrace God's moral law internally. Instead of being governed by external regulations inscribed on stone, believers now have a transformative understanding of God’s will placed directly within them. This signifies a profound change where obedience stems from an inward desire defined by love for Christ, rather than mere obligation. The Spirit’s work writes God’s commandments on the believers' hearts, leading them to live in accordance with God’s purposes and reflect Christ's character.