“To be really cosmopolitan a man must be at home even in his own country.”
Short Studies of American Authors http://books.google.com/books?id=5a9GAQAAIAAJ&q="To+be+really+cosmopolitan+a+man+must+be+at+home+even+in+his+own+country"&pg=PA384#v=onepage - VI. Henry James, Jr., The Literary World, (22 November 1879).