What are the ways in which the great gatsby opens the novel in the first couple of paragraphs?

The first paragraphs of the book foreshadow the novel's main themes: the reader realizes that Gatsby presented, and still presents, a challenge to the way in which Nick is accustomed to thinking about the world. It is clear from the story's opening moments that Gatsby will not be what he initially appears: despite the vulgarity of his mansion, Nick describes Gatsby's personality as "gorgeous."