Author: Diego L. Tentor Date: January 2026 Abstract This paper revisits Karl Popper’s criterion of falsifiability, challenging the dominant interpretation that has transformed his epistemological humility into a form of methodological dogmatism. We argue that falsifiability, properly understood, is not about specifying conditions under which a theory would be refuted, but rather constitutes an epistemic attitude of acknowledging fundamental fallibility. This interpretation recovers Popper’s…