The sensus divinitatis argument claims that humans possess an innate cognitive faculty or capacity that produces immediate, non-inferential awareness of God's existence and basic attributes. Unlike arguments that reason from premises to conclusions, this approach posits that belief in God arises spontaneously through a built-in sense analogous to perception, memory, or moral intuition. The argument maintains that this divine sense functions properly in conducive environments, generating warranted theistic beliefs without requiring evidence or argumentation, though its operation can be impaired by sin, cultural conditioning, or willful suppression.
The concept traces to John Calvin's Institutes of the Christian Religion (1536), where he argued that God implanted an innate "sense of divinity" (sensus divinitatis) and "seed of religion" (semen religionis) in every human soul. Alvin Plantinga revolutionized the argument in Warranted Christian Belief (2000), developing a sophisticated epistemological framework where the sensus divinitatis serves as a belief-producing mechanism that, when functioning properly, generates warranted theistic beliefs. Paul Helm in Faith and Understanding (1997) and C. Stephen Evans in Natural Signs and Knowledge of God (2010) further refined the argument, with Evans proposing that natural phenomena serve as "natural signs" triggering the sensus divinitatis.
Critics raise several objections: the argument appears unfalsifiable since non-belief is explained by malfunction rather than absence of the faculty; neuroscience suggests religious experiences correlate with specific brain states rather than divine perception; the diversity of religious beliefs undermines claims of a universal divine sense. Defenders respond that unfalsifiability doesn't entail falsehood; correlation between brain states and experiences doesn't determine their veridicality; and diversity might reflect cultural overlays on a basic theistic awareness. The Great Pumpkin objection—that any belief could claim similar warrant—is countered by arguing that the sensus divinitatis has unique phenomenological features and explanatory power regarding widespread theistic belief.
Unlike mystical experience arguments focusing on extraordinary encounters, the sensus divinitatis concerns ordinary, everyday awareness of God. It differs from numinous experience (Otto's mysterium tremendum) by emphasizing cognitive content over affective response. While conversion experiences involve dramatic transformations, the sensus divinitatis operates continuously in believers. The argument diverges from cumulative case approaches by claiming direct divine awareness rather than inference from multiple experiential sources.