Public health, as a discipline, rests on three basic tenets. First, its goal of fostering individual and collective health and well-being implies benevolence. Second, interventions ought to rest on principles tested through scientific approaches. Finally, as the discipline evolved during the 20th century, equity became its third core pillar: Interventions should aim at reducing health disparities between individuals and between groups. Over time, the discipline also developed a tendency to debate how many angels can dance on the head of a pin, so any simple definition could certainly be discussed and debated. Nevertheless, few would contest that being equity driven, evidence-based, and benevolent are central to the very nature of public health.