This statement captures a profound and essential truth about human nature as understood through biblical teaching. Often, people tend to view their actions—whether positive or negative—merely as products of situational influences, personal preferences, or circumstances. However, at a deeper level, the biblical perspective points to sin as the root cause of human behavior. Recognizing sin as the fundamental issue encourages a shift in how we approach personal transformation and relationships. Instead of solely focusing on external behaviors or superficial fixes, acknowledging sin opens the door to genuine change rooted in spiritual renewedness. This understanding emphasizes humility, vulnerability, and the need for divine grace. It invites us to examine not just what we do, but why we do it — often revealing selfish motives, misplaced priorities, or broken desires that drive our actions. In the context of helping others, this insight underscores the importance of addressing the heart's condition rather than merely managing outward conduct. It reminds us that sustainable change is possible only through a reconnection with the core of who we are—restored through grace and authenticity. Recognizing sin at the core also fosters compassion, as it reminds us that everyone is in need of grace and transformation, reducing judgment and increasing empathy. Ultimately, this perspective calls for a continual pursuit of humility, repentance, and reliance on God's power for genuine, lasting change.

-- In Instruments in the Redeemer's Hands: People in Need of Change Helping People in Need of Change, Paul David Tripp explores how understanding sin as the core problem shapes our approach to personal growth and helping others in their spiritual journey.