Why is understanding the new birth important for Christians?

The new birth, as articulated in John 3, is fundamental for Christians because it signifies a transformation that can only be achieved by divine intervention. Jesus’s teaching emphasizes that 'that which is born of the flesh is flesh; and that which is born of the Spirit is spirit.' This points out the necessity for a supernatural work of grace that regenerates a person into new life.

Without this understanding, there is a risk of falling into the error of relying on one's works or merit to achieve salvation, akin to the hypocrisy seen in the Pharisees. The new birth reminds believers that salvation is a gift, not a reward for effort. This recognition fosters true humility and dependence on God, encouraging Christians to cherish the grace that empowers them to live in accordance with His will, thereby nurturing a genuine relationship with Christ.