Psalm 101 opens with a declaration that sets the tone for everything that follows: a commitment to sing of both mercy and justice. These two qualities are not in tension with each other but are deeply intertwined, and understanding one requires understanding the other. When we grasp how much we have been shown mercy in the face of deserved justice, it transforms the way we live, the way we treat others, and the way we respond to temptation. This psalm invites us into a serious and honest examination of our private lives, asking whether the person we are when no one is watching matches the person we present to the world. Integrity, as explored here, is not about perfection but about a sincere and consistent will to walk faithfully before God. The ancient words of this psalm are surprisingly modern in their application, speaking directly to the battles we face daily with what we allow before our eyes, the company we keep, and the habits of the heart that either draw us closer to God or quietly pull us away.