In your opinion what is the most important section in the story the importance of being earnest? And why?

Marriage is of paramount importance in The Importance of Being Earnest, both as a primary force motivating the plot and as a subject for philosophical speculation and debate. The question of the nature of marriage appears for the first time in the opening dialogue between Algernon and his butler, Lane, and from this point on the subject never disappears for very long.

What that person said is well said. I agree