The Aeneid by Virgil Book 6 Page 40

What is this vast wailing on the wind?” Then the seer thus began to speak: “Famed chieftain of the Teucrians, no pure soul may tread the accursed threshold; but when Hecate set me over the groves of Avernus, she taught me the gods’ penalties and guided me through all. Cretan Rhadamanthus holds here his iron sway; he chastises, and hears the tale of guilt, exacting confession of crimes, whenever in the world above any man, rejoicing in vain deceit, has put off atonement for sin until death’s late hour. Straightway avenging Tisiphone, girt with the lash, leaps on the guilty to scourge them, and with left hand brandishing her grim snakes, calls on her savage sister band.

Then at last, grating on harsh, jarring hinge, the infernal gates open. Do you see what sentry [Tisiphone] sits in the