Legalism, characterized by a rigid adherence to religious rules and regulations, and self-righteousness, marked by a prideful reliance on one's own efforts for salvation, stand in stark contrast to the liberating truth of salvation by grace through faith in Jesus Christ. In this exploration, we delve into the perils of legalism and self-righteousness in the Christian faith, examining how works-based approaches to salvation can undermine the grace of God and lead to a performance-based mentality.