The assertion that a science of Public Administration (PA) must be rooted in an understanding of human behavior highlights the discipline's inherently human-centric nature. Unlike natural sciences, PA deals with complex social systems involving individuals as administrators, policymakers, and citizens. Traditional PA often focused on structures, rules, and efficiency, treating organizations as mechanistic entities. However, the behavioral turn in administrative thought recognized that human factors—such as motivation, perception, leadership styles, group dynamics, and decision-making biases—profoundly influence organizational performance and policy outcomes. For PA to achieve a scientific understanding, it must move beyond mere structural analysis to incorporate insights from psychology, sociology, and political science. Understanding why public servants act in certain ways, how citizens respond to policies, and the interplay of individual and collective behaviors is crucial for predicting outcomes, designing effective interventions, and building resilient public institutions. Without this behavioral foundation, any 'science' of PA would remain incomplete, failing to account for the unpredictable yet fundamental human element that shapes public action.