SOURCE: Tromly, F. B. “Twelfth Night: Folly's Talents and the Ethics of Shakespearean Comedy.” Mosaic 7, no. 3 (spring 1974): 53-68.
In the following essay, Tromly suggests that folly is a positive force in Twelfth Night, one that allow the characters to come to terms with life by learning to accept “delusion, vulnerability, and mortality.”