What is indisputable is the fact that unbelief is the force that gives birth to all of our bad behavior and every moral failure. It is the root.

In this quote, Tullian Tchividjian expresses the idea that unbelief, or the lack of faith, is the foundational cause of bad behavior and moral failure. He argues that unbelief is not just a secondary factor but the root of all negative actions and ethical missteps. Tchividjian implies that when individuals lack belief in higher moral principles or a spiritual foundation, they are more prone to making decisions that lead to wrongdoing or immorality.

The statement reflects a theological perspective, where belief in a higher power or moral code is viewed as essential for guiding behavior and maintaining ethical standards. According to Tchividjian, unbelief creates a void that leads people to act in ways that are destructive or harmful to themselves and others. This suggests that a person's lack of spiritual or moral grounding contributes directly to their ethical failures.

Tchividjian’s view also emphasizes the importance of faith and spirituality in shaping one's behavior and decision-making process. In his framework, belief is not just about religious practice but about aligning with a moral structure that helps people avoid harmful actions. Therefore, unbelief is seen as the root cause that sets individuals on a path toward moral lapses.

Ultimately, Tullian Tchividjian's quote underscores the relationship between faith and moral integrity, suggesting that unbelief is the source from which all forms of bad behavior and moral failure spring. It promotes the idea that faith, whether in God or a higher moral system, is crucial for maintaining ethical conduct and avoiding the pitfalls of immorality.