The answer is: Bible

Luk 12:59

In this verse from the Gospel of Luke, Jesus uses an everyday scenario—a legal dispute brought before a judge—to illustrate deeper spiritual truths about accountability and consequences. The imagery of paying the last penny vividly expresses the idea that actions have ramifications. Just like in the daily business of life, unresolved issues might continue to weigh on us until they are fully addressed. It’s a tension that many grapple with, not just in their spiritual journeys but also in their relationships and responsibilities.

Interestingly, the term "last penny" is often seen as a reference to a Roman coin known as a "as." It was the smallest currency unit at the time, highlighting how even the tiniest debts or grievances are important in the eyes of justice—or love. This notion of meticulous fairness is echoed in modern morals; it underscores the principle that no matter how small the offense may seem, it carries significant weight in our lives and our relationships.

Furthermore, the context around this verse is rich with Jesus’ teachings on vigilance and awareness. Prior to this, He admonishes listeners to be ready and discerning about their spiritual condition. Ultimately, this statement echoes the broader theme in many biblical accounts that life inherently brings choices, and understanding the consequences of those choices, big or small, assists us on our more profound quest for connection and understanding.