The subject is epigram, a witty and concise statement, exemplified in the characters' interactions.
Epigram is the subject of the question. An epigram is a concise, clever, and witty statement often with a surprising twist or turn of phrase, like 'One must be serious about something if one wants to have any amusement in life.' This form of literary device is highlighted in the interactions between characters in the provided text.
https://brainly.com/question/30158774