Do not judge a book by its cover. - English idiom 책을 겉표지로 판단하지 말라 - 영어 속담 http://en.wikipedia.org/wiki/Don't_judge_a_book_by_its_cover "Don't Judge A Book By Its Cover" at GoEnglish.com (with illustration) You Can't Judge a Book by Its Cover (Desperate Housewives)