The intruder, however, had not reflected that he might be unable to secure his retreat by the way through which he had entered-facilis descensus averni.
"Stories of Animal Sagacity"
W.H.G. Kingston
For the whole length of the path the hill was extremely steep, but not perpendicular, and covered with short dried grass, which made the surface so slippery, that it afforded an apt illustration of Virgil's "facilis descensus Averni;" for though any one might accomplish a descent safely enough by dint of holding on to the few shrubs and bushes, and sliding occasionally, no animal but a cat, a goat, or a monkey, could ascend, if it was to save his life.
"An Old Sailor's Yarns"
Nathaniel Ames
Brandt soon allayed active fears and suspicions by giving the impression that in his descensus he had reached the stage of robbery and had got on the scent of some rich booty in the mountains.
"Taken Alive"
E. P. Roe