“This sensible warm motion to become A kneaded clod; and the delighted spirit To bathe in fiery floods, or to reside In thrilling regions of thick-ribbed ice; To be imprisoned in the viewless winds, And blown with restless violence round about The pendent world; or to be worse than worst Of those that lawless and incertain thoughts Imagine howling.”

↩

Virgil, Aeneid , VI :⁠—

“This is the region of Ghosts, of Sleep and drowsy Night; to waft over the bodies of the living in my Stygian boat is not permitted.”