Marcus Tullius Cicero developed Academic Skepticism, a philosophical approach to holding beliefs with confidence but without certainty, which he documented in his work Academica while facing personal and political crises in 45 BCE. The essay explains how Cicero's concept of probabilia offers a practical method for assessing ideas and making decisions, distinct from both performative doubt and rigid certainty, and contrasts genuine skepticism with modern science-denial movements that misuse the term.