Answer:
"The very essence of romance is uncertainty. If ever I get married, I’ll certainly try to forget the fact."
Step-by-step explanation:
The line from "The Importance of Being Earnest" by Oscar Wilde, that is an example of a commentary on marriage is "The very essence of romance is uncertainty. If ever I get married, I’ll certainly try to forget the fact." In this comedy of manners, the characters have witty wordplays. Marriage is an important topic in the play, regarding the nature of marriage and its purpose. They also discuss if marriage is pleasant or unpleasant, and the play is full of cynical commentaries.