The answer is:
"To walk three miles, or four miles, or five miles, or whatever it is, above her ankles in dirt, and alone, quite alone! What could she mean by it? It seems to me to show an abominable sort of conceited independence, a most country-town indifference to decorum."
Pride and Predjudice is a novel by Jane Austen that narrates the path of Elizabeth Bennet, an english lady who sees the world in a different way, she eventually learns not to missjudge people. As she was different from other ladies, Miss Bingley wasn´t fond of her because of that, but it is precisely that that made Mr. Darcy fall in love with her.