Why is God's restraining grace important for Christians?

God's restraining grace acts as a protective measure for believers, keeping them from of running after sin and apostasy. In the sermon, it is emphasized that without God's intervention, believers would be prone to stray and embrace dangerous beliefs, as illustrated through biblical examples such as Lot and Peter. The application of restraining grace assures Christians that despite their struggles and temptations, God is actively involved in guiding them back to Himself, reinforcing their faith and dependence on Christ's righteousness rather than their own works. This grace encourages believers to remain steadfast in their journey of faith, knowing they are enveloped in God's continual protection.