Which line from the importance of being earnest best makes this point?

“where did the charitable gentleman who had a first-class ticket for this seaside resort find you? ”
“yes, lady bracknell. i was in a hand-bag—a somewhat large, black leather hand-bag, with handles to it—an ordinary hand-bag in fact.”
“to be born, or at any rate bred, in a hand-bag, whether it had handles or not, seems to me to display a contempt for the ordinary decencies of family life . .”
“may i ask you then what you would advise me to do? i need hardly say i would do anything in the world to ensure gwendolen’s happiness.”