Tiresias

Tiresias, the legendary blind prophet of Thebes, appears in Dante's Inferno among the soothsayers in the Fourth Bolgia of the Eighth Circle, where those who presumed to see the future are punished by having their heads twisted permanently backward upon their bodies. Virgil points him out to Dante as a prime example of the sin of attempting to foresee events that belong only to God's foreknowledge, and his contrapasso—the fitting punishment that mirrors the nature of the sin—is one of the most visually striking in all of Hell.

Identity and Background

Tiresias was the most famous seer of Greek mythology, a figure whose very body had undergone a transformation from male to female and back again after striking two copulating serpents with his staff. In the Inferno, Virgil identifies him by this very metamorphosis: "Behold Tiresias, who his semblance changed, / When from a male a female he became, / His members being all of them transformed; / And afterwards was forced to strike once more / The two entangled serpents with his rod, / Ere he could have again his manly plumes." This history of bodily transformation marks Tiresias as a figure who had already, in life, experienced a radical alteration of identity—a fitting prelude to the even more grotesque alteration his body suffers in Hell.

Punishment and Contrapasso

The soothsayers of the Fourth Bolgia are condemned to walk eternally with their heads twisted completely around, so that their faces look backward over their own shoulders. As Dante describes it, "Wondrously each one seemed to be distorted / From chin to the beginning of the chest; / For tow'rds the reins the countenance was turned, / And backward it behoved them to advance, / As to look forward had been taken from them." The punishment is a precise inversion of their sin: because they tried to see too far ahead into the future—a knowledge that belongs only to God—they are now forced to see only what is behind them, and must walk forever in reverse, unable to look forward. Virgil explicitly rebukes Dante for feeling pity at this sight, saying, "Here pity lives when it is wholly dead; / Who is a greater reprobate than he / Who feels compassion at the doom divine?"

Narrative Role and Thematic Significance

Tiresias serves as one of several examples Virgil uses to instruct Dante on the nature of divine justice and the proper attitude toward the damned. When Dante weeps at the sight of the soothsayers' twisted bodies, Virgil rebukes him sharply, teaching that compassion for those whom God has justly condemned is itself a form of rebellion against divine order. Tiresias's punishment also illustrates the broader principle of contrapasso that governs all of Hell: the sin itself becomes the punishment, and the body of the sinner is reshaped to make visible the spiritual deformity that the sin produced. The prophet who once saw what others could not now sees only what has already passed, his gaze fixed forever on the past he tried to predict.