Figure of speech in chapter 16 of Frankenstein

What is a brief and often humorous statement of truth or opinion, such as "a watched pot never boils"

Alex barely reached the airport to catch his flight. but a minute later, he found that his passport was missing. he let out a loud groan and picked up his dropped luggage. as he walked through the airport exit, he saw his airplane soaring into the sky. the passage is in third-person point of view, which is revealed through the use of the subject, alex, and the use of the pronouns he and his. think about how much distance the narrator maintains toward the character. what type of third-person point of view is used? a; third-person limited b; third-person objective c; third-person omniscient

According to aristotle, what is an "artistic" proof?