King Lear, Act IV, scene vi, is one of the great monologues in literature. It's full of sexual imagery, analogies, and verbal irony (sarcasm). Literally translated, it reads something like this (according to my No Fear Shakespeare):
Women are sex machines below the waist, though they’re chaste up above. Above the waist they belong to God, but the lower part belongs to the devil. That’s where hell is, and darkness, and fires and stench! Death and orgasm!
In the monologue Lear uses the following rhetorical devices:
Rhetorical question: "What was thy cause? Adultery?"
Analogy and apostrophe (compares Gloucester to an apothecary; addresses an apothocary not present):