Explore the value of imperfect mathematical models in this thought-provoking keynote address delivered by Katrina Ligett at the FAccT 2021 virtual conference. Delve into the counterintuitive notion that flawed models can offer significant insights and benefits in various fields. Examine how acknowledging and embracing the limitations of mathematical representations can lead to more nuanced understanding and practical applications. Gain perspective on the role of imperfect models in decision-making processes, scientific research, and technological advancements. Consider the implications of this approach for fairness, accountability, and transparency in computational systems. Engage with Ligett's expertise as she challenges conventional wisdom and advocates for a more holistic view of mathematical modeling in the modern world.